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Author  |
Martin, J.M.L.; François, J.P.; Gijbels, R.; Almlöf, J. |
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Title |
Structure and infrared spectroscopy of the C11 molecule |
Type |
MA3 Book as author |
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Year |
1991 |
Publication |
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Abbreviated Journal |
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Keywords |
MA3 Book as author; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT) |
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Publisher |
University of Minnesota |
Place of Publication |
Minneapolis, Minn. |
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Wos |
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Publication Date |
0000-00-00 |
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Call Number |
UA @ lucian @ c:irua:717 |
Serial |
3280 |
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Author |
Martin, J.-M.; Thomas, A.J.; Van Grieken, R.E. |
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Title |
Trace element composition of Zaire suspended sediments |
Type |
A1 Journal article |
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Year |
1978 |
Publication |
Netherlands journal of sea research |
Abbreviated Journal |
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Volume |
12 |
Issue |
3/4 |
Pages |
414-420 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Wos |
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Publication Date |
2003-08-07 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0077-7579; 1873-1406 |
ISBN |
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Additional Links |
UA library record |
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no |
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Call Number |
UA @ admin @ c:irua:116609 |
Serial |
8688 |
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Author |
Marteleur, M.; Idrissi, H.; Amin-Ahmadi, B.; Prima, F.; Schryvers, D.; Jacques, P.J. |
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Title |
On the nucleation mechanism of {112} < 111 > mechanical twins in as-quenched beta metastable Ti-12 wt.% Mo alloy |
Type |
A1 Journal article |
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Year |
2019 |
Publication |
Materialia |
Abbreviated Journal |
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Volume |
7 |
Issue |
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Pages |
Unsp 100418 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
Recently developed beta-metastable Ti grades take advantage of the simultaneous activation of TRIP and TWIP effects for enhancing their work hardening rate. However, the role of each plasticity mechanism on the macroscopic mechanical response is still unclear. In this work, the nucleation mechanism of the first activated plasticity mechanism, namely {112} < 111 > twinning, was investigated. Firstly, post-mortem TEM analysis showed that twins nucleate on pre-existing microstructural defects such as thermal jogs with the zonal dislocation mechanism. The precipitation of the omega phase on twin boundaries has been observed, as well as the emission of numerous dislocations from super-jogs present in these twin boundaries. It is also shown that {112} < 111 > twins act as effective dislocation sources for the subsequent plasticity mechanisms such as beta -> alpha '' martensitic transformation and {332} < 111 > twinning. Secondly, in situ TEM tensile testing of the investigated Ti grade highlighted the primary role of the initial defect configuration present in the microstructure. It is shown that twins cannot nucleate without the presence of specific defects allowing the triggering of the dislocation decomposition needed for the twinning mechanism highlighted in investigated bulk samples. |
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Wos |
000537131000052 |
Publication Date |
2019-07-31 |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
2589-1529 |
ISBN |
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UA library record; WoS full record; WoS citing articles |
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no |
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Call Number |
UA @ admin @ c:irua:170326 |
Serial |
6875 |
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Author |
Marmorkos, I.K.; Schweigert, V.A.; Peeters, F.M.; Lok, J.G.S. |
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Title |
Binding of remote and spatial separated D- centers in double barrier resonant tunneling semiconductor devices |
Type |
P3 Proceeding |
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Year |
1996 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
2769-2772 |
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Keywords |
P3 Proceeding; Condensed Matter Theory (CMT) |
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Abstract |
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Publisher |
World Scientific |
Place of Publication |
Singapore |
Editor |
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Language |
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Wos |
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Publication Date |
0000-00-00 |
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Approved |
MATERIALS SCIENCE, MULTIDISCIPLINARY 135/271 Q2 # PHYSICS, APPLIED 70/145 Q2 # PHYSICS, CONDENSED MATTER 40/67 Q3 # |
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Call Number |
UA @ lucian @ c:irua:15809 |
Serial |
241 |
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Author |
Marmorkos, I.K.; Matulis, A.; Peeters, F.M. |
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Title |
Stability of the superconducting vortex structure around a magnetic dot |
Type |
A3 Journal article |
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Year |
1995 |
Publication |
Physics of low-dimensional structures |
Abbreviated Journal |
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Volume |
10/11 |
Issue |
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Pages |
77-86 |
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Keywords |
A3 Journal article; Condensed Matter Theory (CMT) |
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Wos |
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Publication Date |
0000-00-00 |
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Series Editor |
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Series Volume |
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Approved |
PHYSICS, APPLIED 28/145 Q1 # |
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Call Number |
UA @ lucian @ c:irua:13036 |
Serial |
3133 |
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Author |
Markowicz, A.M.; Van Grieken, R.E. |
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Title |
Quantification in XRF analysis of intermediate-thickness samples |
Type |
H3 Book chapter |
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Year |
1992 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
339-358
T2 - Handbook of X-ray spectroscopy / Grie |
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Keywords |
H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
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Place of Publication |
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Wos |
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Series Editor |
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ISSN |
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Additional Links |
UA library record |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
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| |
Call Number |
UA @ admin @ c:irua:2855 |
Serial |
8434 |
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| Permanent link to this record |
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Author |
Markowicz, A.A.; Van Grieken, R.E. |
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Title |
Atomic number correction in electron probe X-ray microanalysis of curved samples and particles |
Type |
A1 Journal article |
| |
Year |
1984 |
Publication |
Analytical chemistry |
Abbreviated Journal |
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Volume |
56 |
Issue |
14 |
Pages |
2798-2801 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
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Language |
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Wos |
A1984TU34600040 |
Publication Date |
2005-03-08 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0003-2700; 5206-882x |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
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Call Number |
UA @ admin @ c:irua:116519 |
Serial |
7535 |
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| Permanent link to this record |
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Author |
Markowicz, A.A.; Van Grieken, R.E. |
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Title |
Composition dependence of Bremsstrahlung background in electron-probe x-ray microanalysis |
Type |
A1 Journal article |
| |
Year |
1984 |
Publication |
Analytical chemistry |
Abbreviated Journal |
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| |
Volume |
56 |
Issue |
12 |
Pages |
2049-2051 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
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Address |
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Place of Publication |
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Editor |
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Language |
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Wos |
A1984TL48800021 |
Publication Date |
2005-03-08 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0003-2700; 5206-882x |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
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| |
Call Number |
UA @ admin @ c:irua:116518 |
Serial |
7704 |
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| Permanent link to this record |
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Author |
Markowicz, A.A.; Van Grieken, R.E. |
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Title |
Quantification in XRF analysis of intermediate-thickness samples |
Type |
H3 Book chapter |
| |
Year |
2002 |
Publication |
|
Abbreviated Journal |
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| |
Volume |
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Issue |
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Pages |
407-431
T2 - Handbook of X-ray spectrometry / Grie |
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Keywords |
H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
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Wos |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
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ISBN |
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Additional Links |
UA library record |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
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| |
Call Number |
UA @ admin @ c:irua:36389 |
Serial |
8433 |
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| Permanent link to this record |
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Author |
Markowicz, A.A.; Van Grieken, R.E. |
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Title |
X-ray spectrometry |
Type |
A1 Journal article |
| |
Year |
1990 |
Publication |
Analytical chemistry |
Abbreviated Journal |
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| |
Volume |
62 |
Issue |
12 |
Pages |
101r-113r |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
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Address |
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Corporate Author |
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Publisher |
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Place of Publication |
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Editor |
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Language |
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Wos |
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Publication Date |
2006-11-06 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0003-2700; 5206-882x |
ISBN |
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Additional Links |
UA library record |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
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| |
Call Number |
UA @ admin @ c:irua:116527 |
Serial |
8779 |
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| Permanent link to this record |
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Author |
Markowicz, A.A.; Van Grieken, R.E. |
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Title |
X-ray spectrometry |
Type |
A1 Journal article |
| |
Year |
1988 |
Publication |
Analytical chemistry |
Abbreviated Journal |
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| |
Volume |
60 |
Issue |
12 |
Pages |
28r-42r |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
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Editor |
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Language |
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Wos |
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Publication Date |
2005-03-08 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0003-2700; 5206-882x |
ISBN |
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Additional Links |
UA library record |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
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| |
Call Number |
UA @ admin @ c:irua:116525 |
Serial |
8780 |
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| Permanent link to this record |
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Author |
Markowicz, A.A.; Van Grieken, R.E. |
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Title |
X-ray spectrometry |
Type |
A1 Journal article |
| |
Year |
1986 |
Publication |
Analytical chemistry |
Abbreviated Journal |
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|
| |
Volume |
58 |
Issue |
5 |
Pages |
279r-294r |
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| |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
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Address |
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Corporate Author |
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Publisher |
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Place of Publication |
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Editor |
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Language |
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Wos |
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Publication Date |
2005-03-08 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0003-2700; 5206-882x |
ISBN |
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Additional Links |
UA library record |
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Impact Factor |
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Times cited |
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Open Access |
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| |
Notes |
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Approved |
no |
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| |
Call Number |
UA @ admin @ c:irua:116523 |
Serial |
8781 |
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| Permanent link to this record |
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Author |
Markowicz, A.A.; Van Grieken, R.E. |
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| |
Title |
X-ray spectrometry |
Type |
A1 Journal article |
| |
Year |
1984 |
Publication |
Reviews in analytical chemistry |
Abbreviated Journal |
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| |
Volume |
56 |
Issue |
|
Pages |
241r-250r |
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| |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
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Address |
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Corporate Author |
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Publisher |
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Place of Publication |
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Editor |
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Language |
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Wos |
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Publication Date |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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| |
Series Volume |
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Series Issue |
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Edition |
|
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| |
ISSN |
0048-752x |
ISBN |
|
Additional Links |
UA library record |
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Impact Factor |
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Times cited |
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Open Access |
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| |
Notes |
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Approved |
no |
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| |
Call Number |
UA @ admin @ c:irua:116709 |
Serial |
8782 |
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| Permanent link to this record |
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| |
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Author |
Markowicz, A.A.; Storms, H.M.; Van Grieken, R.E. |
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| |
Title |
Absorption correction in electron probe x-ray microanalysis of thin samples |
Type |
A1 Journal article |
| |
Year |
1986 |
Publication |
Analytical chemistry |
Abbreviated Journal |
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|
| |
Volume |
58 |
Issue |
7 |
Pages |
1282-1285 |
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| |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
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Language |
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Wos |
A1986C594100007 |
Publication Date |
2005-03-08 |
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| |
Series Editor |
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Series Title |
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Abbreviated Series Title |
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| |
Series Volume |
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Series Issue |
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Edition |
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| |
ISSN |
0003-2700; 5206-882x |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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| |
Impact Factor |
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Times cited |
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Open Access |
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| |
Notes |
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Approved |
no |
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| |
Call Number |
UA @ admin @ c:irua:116524 |
Serial |
7409 |
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| Permanent link to this record |
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| |
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Author |
Markowicz, A.A.; Storms, H.M.; Van Grieken, R.E. |
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| |
Title |
Bremsstrahlung background in electron-probe X-ray-microanalysis of thin films |
Type |
A1 Journal article |
| |
Year |
1985 |
Publication |
Analytical chemistry |
Abbreviated Journal |
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|
| |
Volume |
57 |
Issue |
14 |
Pages |
2885-2889 |
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| |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
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Editor |
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Language |
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Wos |
A1985AVD0100033 |
Publication Date |
2005-03-08 |
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| |
Series Editor |
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Series Title |
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Abbreviated Series Title |
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| |
Series Volume |
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Series Issue |
|
Edition |
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| |
ISSN |
0003-2700; 5206-882x |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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| |
Impact Factor |
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Times cited |
|
Open Access |
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| |
Notes |
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Approved |
no |
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| |
Call Number |
UA @ admin @ c:irua:113616 |
Serial |
7567 |
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| Permanent link to this record |
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Author |
Markowicz, A.; Van Dyck, P.; Van Grieken, R. |
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| |
Title |
Radiometric diameter concept and exact intensities for spherical particles in x-ray fluorescence analysis |
Type |
A1 Journal article |
| |
Year |
1980 |
Publication |
X-ray spectrometry |
Abbreviated Journal |
|
|
| |
Volume |
9 |
Issue |
2 |
Pages |
52-56 |
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| |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
|
| |
Abstract |
In X-ray fluorescence analysis the concept of radiometric diameter, d, is often introduced in considerations of the fluorescent intensity from a particulate sample. It represents the mean geometric path of the X-rays through one particle and is usually simply taken to be equal to the volume-to-area ratio of the particle. The effective radiometric path is, however, itself dependent on geometry and absorption effects. Rigorous calculations of the fluorescent intensity from a particle in the π and π/2 geometries were carried out to evaluate the errors involved. It appears that, for π geometry, the discrepancy between these exact results and the intensity calculated via the use of d does not exceed 5.2%. For the π/2 geometry, the errors are much larger and can amount to 50% in realistic cases of X-ray fluorescence analysis. These conclusions are also applicable to monolayers. The effective radiometric diameter approaches d only when absorption effects become negligible, but is smaller in other cases. |
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Corporate Author |
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Place of Publication |
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Editor |
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Language |
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Wos |
A1980JN16500003 |
Publication Date |
2005-05-28 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
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Edition |
|
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| |
ISSN |
0049-8246 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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| |
Impact Factor |
|
Times cited |
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Open Access |
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| |
Notes |
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Approved |
no |
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| |
Call Number |
UA @ admin @ c:irua:116482 |
Serial |
8451 |
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| Permanent link to this record |
| |
|
| |
|
Author |
Markowicz, A.; Storms, H.; Van Grieken, R. |
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| |
Title |
Evaluation of an equation for bremsstrahlung background in electron-probe X-ray microanalysis of composite samples |
Type |
A1 Journal article |
| |
Year |
1986 |
Publication |
X-ray spectrometry |
Abbreviated Journal |
|
|
| |
Volume |
15 |
Issue |
2 |
Pages |
131-133 |
|
| |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
|
| |
Abstract |
A new equation for predicting the generated bremsstrahlung background intensity in electron-probe x-ray microanalysis has been verified experimentally. This equation is applicable to all bulk composite specimens and reduces to Kramers' equation for pure elements only. The experimental verification has been carried out for Al2O3, Fe2O3 and ZrO2 with radiation energies from 4.2 to 14.8 keV. The predicted bremsstrahlung intensities are in good agreement with the experimental data. |
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Corporate Author |
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Publisher |
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Place of Publication |
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Editor |
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Language |
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Wos |
A1986C017300009 |
Publication Date |
2005-05-28 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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| |
Series Volume |
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Series Issue |
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Edition |
|
|
| |
ISSN |
0049-8246 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
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Open Access |
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| |
Notes |
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Approved |
no |
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| |
Call Number |
UA @ admin @ c:irua:113873 |
Serial |
7937 |
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| Permanent link to this record |
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| |
|
Author |
Markowicz, A.; Storms, H.; Van Grieken, R. |
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| |
Title |
A simple absorption correction for electron probe X-ray microanalysis of bulk samples |
Type |
A1 Journal article |
| |
Year |
1986 |
Publication |
X-ray spectrometry |
Abbreviated Journal |
|
|
| |
Volume |
15 |
Issue |
2 |
Pages |
115-119 |
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| |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
|
| |
Abstract |
A simple procedure is proposed for the calculation of the absorption correction factor in electron-probe x-ray microanalysis. It is based on the concept of an effective depth of x-ray production, assuming a rectangular depth distribution function for x-ray generation. This effective x-ray production depth is expressed as a fraction of the x-ray excitation depth given by Whelan's expression. Adequate values for this fraction are presented. Two versions are considered. In the first the effective x-ray production is a function of both the characteristic x-ray energy and the atomic numbers of the matrix elements, whereas in the second one, which is indicated for routine use, the energy dependence is neglected. Calculations pointed to satisfactory results, even for low x-ray energies and high overvoltages. |
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Place of Publication |
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Language |
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Wos |
A1986C017300007 |
Publication Date |
2005-05-28 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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| |
Series Volume |
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Series Issue |
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Edition |
|
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| |
ISSN |
0049-8246 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
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Open Access |
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| |
Notes |
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Approved |
no |
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| |
Call Number |
UA @ admin @ c:irua:113872 |
Serial |
8524 |
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| Permanent link to this record |
| |
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| |
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Author |
Markowicz, A.; Raeymaekers, B.; Van Grieken, R.; Adams, F. |
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| |
Title |
Analytical electron microscopy of single particles |
Type |
H3 Book chapter |
| |
Year |
1986 |
Publication |
|
Abbreviated Journal |
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| |
Volume |
|
Issue |
|
Pages |
173-197
T2 - Physical and chemical characterizatio |
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| |
Keywords |
H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
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Address |
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Corporate Author |
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Publisher |
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Place of Publication |
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Editor |
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Language |
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Wos |
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Publication Date |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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| |
ISSN |
|
ISBN |
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Additional Links |
UA library record |
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| |
Impact Factor |
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Times cited |
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Open Access |
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| |
Notes |
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Approved |
no |
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| |
Call Number |
UA @ admin @ c:irua:117504 |
Serial |
7455 |
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| Permanent link to this record |
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| |
|
Author |
Marikutsa, A.; Yang, L.; Rumyantseva, M.; Batuk, M.; Hadermann, J.; Gaskov, A. |
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| |
Title |
Sensitivity of nanocrystalline tungsten oxide to CO and ammonia gas determined by surface catalysts |
Type |
A1 Journal article |
| |
Year |
2018 |
Publication |
Sensors and actuators : B : chemical |
Abbreviated Journal |
|
|
| |
Volume |
277 |
Issue |
|
Pages |
336-346 |
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| |
Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
|
| |
Abstract |
Nanocrystalline tungsten oxide with variable particle size and surface area was synthesized by aqueous deposition and heat treatment for use in resistive gas sensors. Surface modification with 1 wt.% Pd and Ru was performed by impregnation to improve the sensitivity to CO and ammonia. Acid and oxidation surface sites were evaluated by temperature-programmed techniques using probe molecules. The surface acidity dropped with increasing particle size, and was weakly affected by additives. Lower crystallinity of WO3 and the presence of Ru species favoured temperature-programmed reduction of the materials. Modifying WO3 increased its sensitivity, to CO at ambient condition for modification by Pd and to NH3 at elevated temperature for Ru modification. An in situ infrared study of the gas – solid interaction showed that the catalytic additives change the interaction route of tungsten oxide with the target gases and make the reception of detected molecules independent of the semiconductor oxide matrix. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
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Editor |
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Language |
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Wos |
000453066700042 |
Publication Date |
2018-09-09 |
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Series Editor |
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Series Title |
|
Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
0925-4005 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
|
Open Access |
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| |
Notes |
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Approved |
no |
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| |
Call Number |
UA @ admin @ c:irua:156219 |
Serial |
8513 |
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| Permanent link to this record |
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| |
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Author |
Marguí, E.; van Meel, K.; Van Grieken, R.; Buendía, A.; Fontás, C.; Hidalgo, M.; Queralt, I. |
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| |
Title |
Method for the determination of Pd-catalyst residues in active pharmaceutical ingredients by means of high-energy polarized-beam energy dispersive X-ray fluorescence |
Type |
A1 Journal article |
| |
Year |
2009 |
Publication |
Analytical chemistry |
Abbreviated Journal |
|
|
| |
Volume |
81 |
Issue |
4 |
Pages |
1404-1410 |
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| |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
|
| |
Abstract |
In medicinal chemistry, Pd is perhaps the most-widely utilized precious metal, as catalyst in reactions which represent key transformations toward the synthesis of new active pharmaceutical ingredients (APIs). The disadvantage of this metal-catalyzed chemistry is that expensive and toxic metal residues are invariably left bound to the desired product. Thus, stringent regulatory guidelines exist for the amount of residual Pd that a drug candidate is allowed to contain. In this work, a rapid and simple method for the determination of Pd in API samples by high-energy polarized-beam energy dispersive X-ray fluorescence spectrometry has been developed and validated according to the specification limits of current legislation (10 mg kg−1 Pd) and the International Conference on Harmonisation of Technical Requirements for Registration of Pharmaceuticals for Human Use (ICH guidelines). Sample and calibration standards preparation includes a first step of homogenization and then, in a second step, the pressing of the powdered material into pellets without any chemical treatment. The use of several synthetic calibration standards made of cellulose to simulate the API matrix appears to be an effective means to obtain reliable calibration curves with a good spread of data points over the working range. With the use of the best measuring conditions, the limit of detection (0.11 mg kg−1 Pd) as well as the limit of quantitation (0.37 mg kg−1 Pd) achieved meet rigorous requirements. The repeatability of the XRF measurement appeared to be less than 2%, while the precision of the whole method was around 7%. Trueness was evaluated by analyzing spiked API samples at the level of the specification limit and calculating the recovery factor, which was better than 95%. To study the applicability of the developed methodology for the intended purpose, three batches of the studied API were analyzed for their Pd content, and the attained results were comparable to those obtained by the daily routine method (acid digestion plus atomic spectroscopy) used in most pharmaceutical laboratories. |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
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Editor |
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Language |
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Wos |
000263319000015 |
Publication Date |
2009-01-22 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
|
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| |
ISSN |
0003-2700; 5206-882x |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
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| |
Call Number |
UA @ admin @ c:irua:74340 |
Serial |
8220 |
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| Permanent link to this record |
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| |
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Author |
Marguí, E.; Van Grieken, R.; Fontàs, C.; Hidalgo, M.; Queralt, I. |
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| |
Title |
Preconcentration methods for the analysis of liquid samples by X-ray fluorescence techniques |
Type |
A1 Journal article |
| |
Year |
2010 |
Publication |
Applied spectroscopy reviews |
Abbreviated Journal |
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| |
Volume |
45 |
Issue |
3 |
Pages |
179-205 |
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| |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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| |
Abstract |
This article gives an overview of the state-of-the-art of multi-element and single-element preconcentration procedures prior to X-ray fluorescence (XRF) analysis of liquid samples. Many of these preconcentration methods were developed long ago and the purpose of this review is to present some new efficient variations of these methods and new techniques extending the possibilities of XRF for liquid solutions analysis. In addition, trends and future perspectives in this domain are also commented on and discussed in the last section of the review. |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
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Editor |
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Language |
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Wos |
000277705800002 |
Publication Date |
2010-01-28 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
|
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| |
ISSN |
0066-5541 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
|
Open Access |
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| |
Notes |
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Approved |
no |
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| |
Call Number |
UA @ admin @ c:irua:82557 |
Serial |
8400 |
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| Permanent link to this record |
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Author |
Margui, E.; Van Grieken, R. |
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| |
Title |
Overview of most commonly used analytical techniques for elemental analysis |
Type |
A3 Journal article |
| |
Year |
2014 |
Publication |
Petro Industry News |
Abbreviated Journal |
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| |
Volume |
|
Issue |
|
Pages |
8-10 |
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Keywords |
A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
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Editor |
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Language |
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Wos |
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Publication Date |
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Series Editor |
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Series Title |
|
Abbreviated Series Title |
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| |
Series Volume |
|
Series Issue |
|
Edition |
|
|
| |
ISSN |
1472-0590 |
ISBN |
|
Additional Links |
UA library record |
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| |
Impact Factor |
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Times cited |
|
Open Access |
|
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| |
Notes |
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Approved |
no |
|
| |
Call Number |
UA @ admin @ c:irua:114599 |
Serial |
8352 |
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| Permanent link to this record |
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Author |
Margui, E.; Van Grieken, R. |
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| |
Title |
State-of-the-art X-ray fluorescence instrumentation for chemical analysis |
Type |
A3 Journal article |
| |
Year |
2013 |
Publication |
Petro Industry News |
Abbreviated Journal |
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| |
Volume |
|
Issue |
June/July |
Pages |
16-18 |
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| |
Keywords |
A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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| |
Abstract |
Nowadays, X-ray fluorescence spectrometry (XRF) is a well-established analytical technique for qualitative and quantitative elemental analysis (sometimes from Be to U) of a wide variety of samples. In particular, the truly multi-element character, acceptable speed and economy, ease of automation and the possibility to directly analyse solid samples are the most important features among the many that have made it a very mature analytical tool for routine quality controls in many industries, as well as for analytical support for the research laboratory.e recent technological advances, including the design of low-power micro-focus tubes and the novel X-ray optics and detectors have made it possible to extend XRF to the determination of low-Z elements and to obtain 2D or 3D information on a micrometre-scale. Furthermore, the recent development and commercialisation of benchtop and portable instrumentation, that offer extreme simplicity of operation in a low-cost design, have promoted even more the approach of XRF for many analytical problems.is article highlights this state-of-the art technique with regards to currently available XRF instrumentation on the market as well as recent applications in environmental and industrial fields. |
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Corporate Author |
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Place of Publication |
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Wos |
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Publication Date |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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| |
ISSN |
1472-0590 |
ISBN |
|
Additional Links |
UA library record |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
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| |
Call Number |
UA @ admin @ c:irua:109342 |
Serial |
8581 |
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| Permanent link to this record |
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| |
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Author |
Marguí, E.; Van Grieken, R. |
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Title |
X-ray fluorescence spectrometry and related techniques : an introduction |
Type |
MA3 Book as author |
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Year |
2013 |
Publication |
|
Abbreviated Journal |
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Volume |
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Issue |
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Pages |
148 p. |
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Keywords |
MA3 Book as author; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Place of Publication |
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Wos |
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Publication Date |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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| |
ISSN |
|
ISBN |
978-1-60650-391-1 |
Additional Links |
UA library record |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
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| |
Call Number |
UA @ admin @ c:irua:106179 |
Serial |
8768 |
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| Permanent link to this record |
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Author |
Marguí, E.; Padilla, R.; Hidalgo, M.; Queralt, I.; Van Grieken, R. |
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Title |
High-energy polarized-beam EDXRF for trace metal analysis of vegetation samples in environmental studies |
Type |
A1 Journal article |
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Year |
2006 |
Publication |
X-ray spectrometry |
Abbreviated Journal |
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| |
Volume |
35 |
Issue |
3 |
Pages |
169-177 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
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Editor |
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Language |
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Wos |
000237818300005 |
Publication Date |
2006-03-23 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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| |
Series Volume |
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Series Issue |
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Edition |
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| |
ISSN |
0049-8246 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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| |
Impact Factor |
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Times cited |
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Open Access |
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| |
Notes |
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Approved |
no |
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| |
Call Number |
UA @ admin @ c:irua:57751 |
Serial |
8031 |
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| Permanent link to this record |
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| |
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Author |
Margui, E.; Hidalgo, M.; Queralt, I.; van Meel, K.; Fontas, C. |
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| |
Title |
Analytical capabilities of laboratory, benchtop and handheld X-ray fluorescence systems for detection of metals in aqueous samples pre-concentrated with solid-phase extraction disks |
Type |
A1 Journal article |
| |
Year |
2012 |
Publication |
Spectrochimica acta: part B : atomic spectroscopy |
Abbreviated Journal |
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| |
Volume |
67 |
Issue |
|
Pages |
17-23 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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| |
Abstract |
We aimed to achieve improved instrumental sensitivity and detection limits for the analysis of several elements (Cu, Ni, Zn, Pb and Cd) in aqueous samples with energy dispersive X-ray fluorescence spectrometry (EDXRF). The metals were pre-concentrated from aqueous solutions using commercially available organic-based solid-phase extraction (SPE) disks functionalized with iminodiacetate groups. These thin-layer organic materials provide an ideal support for XRF analysis. The elements were collected on the SPE extraction disks using a simple filtration procedure (starting with 1 L of aqueous sample) that allows direct XRF measurements to be performed in the field (in situ). We evaluated the analytical possibilities and drawbacks of using this pre-concentration procedure in combination with the following XRF configurations: a handheld unit, a benchtop EDXRF system and a high-energy polarized-beam EDXRF instrument (HE-P-EDXRF). Using the HE-P-EDXRF system, the detection limits for all metals were more than one order of magnitude lower than those attained using handheld and benchtop EDXRF instrumentation. For the detection of metal concentrations higher than similar to 20 mu g/L, however, handheld or benchtop systems remain a very good option due to their extreme simplicity of operation and low-cost, compact design. We demonstrate the application of these methodologies, using the three equipment systems, to the analysis of trace concentrations of metals in different types of aqueous samples, including tap water and waste water. (C) 2011 Elsevier B.V. All rights reserved. |
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Corporate Author |
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Place of Publication |
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Language |
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Wos |
000302757200003 |
Publication Date |
2011-12-19 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
|
Series Issue |
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Edition |
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| |
ISSN |
0584-8547; 1873-3565 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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| |
Impact Factor |
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Times cited |
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Open Access |
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| |
Notes |
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Approved |
no |
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| |
Call Number |
UA @ admin @ c:irua:98338 |
Serial |
7454 |
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| Permanent link to this record |
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| |
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Author |
Marguí, E.; Fontàs, C.; van Meel, K.; Van Grieken, R.; Queralt, I.; Hidalgo, M. |
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| |
Title |
High-energy polarized-beam energy-dispersive X-ray fluorescence analysis combined with activated thin layers for cadmium determination at trace levels in complex environmental liquid samples |
Type |
A1 Journal article |
| |
Year |
2008 |
Publication |
Analytical chemistry |
Abbreviated Journal |
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| |
Volume |
80 |
Issue |
7 |
Pages |
2357-2364 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
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Corporate Author |
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Language |
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Wos |
000254593500015 |
Publication Date |
2008-03-08 |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0003-2700; 5206-882x |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
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Call Number |
UA @ admin @ c:irua:68425 |
Serial |
8032 |
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| Permanent link to this record |
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Author |
Margu'i', E.; Queralt, I.; Van Grieken, R. |
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Title |
X-ray fluorescence analysis, sample preparation for |
Type |
H1 Book chapter |
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Year |
2009 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
1-20
T2 - Sncyclopedia of analytical chemistry / M |
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Keywords |
H1 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
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Editor |
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Language |
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Wos |
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Publication Date |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
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ISBN |
978-0-471-97670-7 |
Additional Links |
UA library record |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
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Call Number |
UA @ admin @ c:irua:81641 |
Serial |
8765 |
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| Permanent link to this record |
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Author |
Marchetti, A.; Beltran, V.; Storme, P.; Nuyts, G.; Van Der Meeren, L.; Skirtach, A.; Otten, E.; Debulpaep, M.; Watteeuw, L.; De Wael, K. |
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Title |
All that glitters is not gold : unraveling the material secrets behind the preservation of historical brass |
Type |
A1 Journal article |
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Year |
2023 |
Publication |
Journal of cultural heritage |
Abbreviated Journal |
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Volume |
63 |
Issue |
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Pages |
179-186 |
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Keywords |
A1 Journal article; Engineering sciences. Technology; Art; History; Antwerp Cultural Heritage Sciences (ARCHES); Antwerp Electrochemical and Analytical Sciences Lab (A-Sense Lab) |
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Abstract |
Brass is a relatively stable alloy but it tends to tarnish over time due to the interaction with the atmosphere. Thus, it is rare to observe centuries-old brass objects untouched by the passing of time. For this reason, the pristine appearance of hundreds of brass sequins in the Enclosed Gardens of Mechelen (reliquary altarpieces produced between 1530 and 1550) is remarkable. In this study, the chemical and metallographic characterization of such unexpectedly well-preserved objects is presented. The results revealed the reason for their stability to be a combination of high-quality materials (i.e. medium Zn content, low impurities) and optimal surface properties (i.e. high homogeneity, low roughness), indicating the high level of expertise of the craftsmen who produced them. Novel fundamental insights on the historical manufacturing method of metallic sequins were also obtained. |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
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Editor |
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Language |
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Wos |
001058894000001 |
Publication Date |
2023-08-14 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
1296-2074 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
3.1 |
Times cited |
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Open Access |
Not_Open_Access: Available from 15.08.2024 |
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Notes |
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Approved |
Most recent IF: 3.1; 2023 IF: 1.838 |
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Call Number |
UA @ admin @ c:irua:198113 |
Serial |
8830 |
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| Permanent link to this record |
