Records |
Author |
Markowicz, A.A.; Van Grieken, R.E. |
Title |
Quantification in XRF analysis of intermediate-thickness samples |
Type |
H3 Book chapter |
Year |
2002 |
Publication |
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Abbreviated Journal |
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Volume |
|
Issue |
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Pages |
407-431
T2 - Handbook of X-ray spectrometry / Grie |
Keywords |
H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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no |
Call Number |
UA @ admin @ c:irua:36389 |
Serial |
8433 |
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Author |
Markowicz, A.M.; Van Grieken, R.E. |
Title |
Quantification in XRF analysis of intermediate-thickness samples |
Type |
H3 Book chapter |
Year |
1992 |
Publication |
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Abbreviated Journal |
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Volume |
|
Issue |
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Pages |
339-358
T2 - Handbook of X-ray spectroscopy / Grie |
Keywords |
H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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no |
Call Number |
UA @ admin @ c:irua:2855 |
Serial |
8434 |
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Author |
Kuczumow, A.; Claes, M.; Schmeling, M.; Van Grieken, R.; de Gendt, S. |
Title |
Quantification problems in light element determination by grazing emission X-ray fluorescence |
Type |
A1 Journal article |
Year |
2000 |
Publication |
Journal of analytical atomic spectrometry |
Abbreviated Journal |
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Volume |
15 |
Issue |
|
Pages |
415-421 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Wos |
000086323700017 |
Publication Date |
2002-07-26 |
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 |
0267-9477 |
ISBN |
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UA library record; WoS full record; WoS citing articles |
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no |
Call Number |
UA @ admin @ c:irua:27592 |
Serial |
8437 |
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Author |
de Gendt, S.; Schelles, W.; Van Grieken, R.; Müller, V. |
Title |
Quantitative analysis of iron-rich and other oxide-based samples by means of glow discharge mass spectrometry |
Type |
A1 Journal article |
Year |
1995 |
Publication |
Journal of analytical atomic spectrometry |
Abbreviated Journal |
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Volume |
10 |
Issue |
|
Pages |
681-687 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Wos |
A1995RW12800021 |
Publication Date |
2004-04-20 |
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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 |
0267-9477 |
ISBN |
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UA library record; WoS full record; WoS citing articles |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:12351 |
Serial |
8438 |
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Author |
Schelles, W.; Van Grieken, R. |
Title |
Quantitative analysis of zirconium oxide by direct glow discharge mass spectrometry using a secondary cathode |
Type |
A1 Journal article |
Year |
1997 |
Publication |
Journal of analytical atomic spectrometry |
Abbreviated Journal |
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Volume |
12 |
Issue |
|
Pages |
49-52 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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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 |
0267-9477 |
ISBN |
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Additional Links |
UA library record |
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Open Access |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:18774 |
Serial |
8439 |
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Author |
Szalóki, I.; Braun, M.; Van Grieken, R. |
Title |
Quantitative characterisation of the leaching of lead and other elements from glazed surfaces of historical ceramics |
Type |
A1 Journal article |
Year |
2000 |
Publication |
Journal of analytical atomic spectrometry |
Abbreviated Journal |
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Volume |
15 |
Issue |
|
Pages |
843-850 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Wos |
000088267700006 |
Publication Date |
2002-07-26 |
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 |
0267-9477 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Open Access |
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Notes |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:28426 |
Serial |
8440 |
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Author |
Szalóki, I.; Osán, J.; Ro, C.-U.; Van Grieken, R. |
Title |
Quantitative characterization of individual aerosol particles by thin-window electron probe microanalysis combined with iterative simulation |
Type |
A1 Journal article |
Year |
2000 |
Publication |
Spectrochimica acta: part B : atomic spectroscopy |
Abbreviated Journal |
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Volume |
55 |
Issue |
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Pages |
1017-1030 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Wos |
000088353100031 |
Publication Date |
2002-07-25 |
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 |
0584-8547; 1873-3565 |
ISBN |
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UA library record; WoS full record; WoS citing articles |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:31672 |
Serial |
8441 |
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Author |
van Put, A.; Vertes, A.; Wegrzynek, D.; Treiger, B.; Van Grieken, R. |
Title |
Quantitative characterization of individual particle surfaces by fractal analysis of scanning electron microscope images |
Type |
A1 Journal article |
Year |
1994 |
Publication |
Fresenius' journal of analytical chemistry |
Abbreviated Journal |
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Volume |
350 |
Issue |
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Pages |
440-447 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Wos |
A1994PR64400005 |
Publication Date |
2004-10-19 |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0937-0633; 1432-1130 |
ISBN |
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UA library record; WoS full record; WoS citing articles |
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Notes |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:9505 |
Serial |
8442 |
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Author |
Choël, M.; Deboudt, K.; Osán, J.; Flament, P.; Van Grieken, R. |
Title |
Quantitative determination of low-Z elements in single atmospheric particles on boron substrates by automated scanning electron microscopy: energy-dispersive X-ray spectrometry |
Type |
A1 Journal article |
Year |
2005 |
Publication |
Analytical chemistry |
Abbreviated Journal |
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Volume |
77 |
Issue |
17 |
Pages |
5686-5692 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
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Wos |
000231652300046 |
Publication Date |
2005-08-31 |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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ISSN |
0003-2700; 5206-882x |
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UA library record; WoS full record; WoS citing articles |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:53593 |
Serial |
8443 |
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Author |
Damla, N.; Čevik, U.; Kobya, A.I.; Celik, A.; Celik, N.; Van Grieken, R. |
Title |
Radiation dose estimation and mass attenuation coefficients of cement samples used in Turkey |
Type |
A1 Journal article |
Year |
2010 |
Publication |
Journal of hazardous materials |
Abbreviated Journal |
|
Volume |
176 |
Issue |
1/3 |
Pages |
644-649 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
Different cement samples commonly used in building construction in Turkey have been analyzed for natural radioactivity using gamma-ray spectrometry. The mean activity concentrations observed in the cement samples were 52, 40 and 324 Bq kg−1 for 226Ra, 232Th and 40K, respectively. The measured activity concentrations for these radionuclides were compared with the reported data of other countries and world average limits. The radiological hazard parameters such as radium equivalent activities (Raeq), gamma index (Iγ) and alpha index (Iα) indices as well as terrestrial absorbed dose and annual effective dose rate were calculated and compared with the international data. The Raeq values of cement are lower than the limit of 370 Bq kg−1, equivalent to a gamma dose of 1.5 mSv y−1. Moreover, the mass attenuation coefficients were determined experimentally and calculated theoretically using XCOM in some cement samples. Also, chemical compositions analyses of the cement samples were investigated. |
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Wos |
000274839700087 |
Publication Date |
2009-11-20 |
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 |
0304-3894 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Notes |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:80671 |
Serial |
8448 |
Permanent link to this record |
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Author |
Lins Galdino, S.M.; Costa Dantas, C.; Van Grieken, R. |
Title |
Radio-isotope neutron activation analysis for vanadium, manganese and tungsten in alloy steels |
Type |
A1 Journal article |
Year |
1987 |
Publication |
Analytica chimica acta |
Abbreviated Journal |
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Volume |
196 |
Issue |
|
Pages |
337-343 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
An instrumental neutron activation method for V, Mn and W in alloy steels with a 241 Am/Be isotopic neutron source is described. The samples were irradiated to induce the nuclear reactions 51V(n, γ) 52V, 55Mn(n, γ)56Mn, and 186W(n, γ)187W. The activities were measured with a NaI(TI) detector. Interferences on the measured photopeaks were shown to be negligible by measuring the half-lives of 62V, 56Mn and 187W.These thre elementes were determined in the range 1.512.9% in special steels; manganese in the range 0.51.6% was measured in cast irons. Calibration was done by comparison with results from wet chemistry and x-ray fluorescence spectrometry. The processing times for the vanadium, manganese and tungsten determinations were 11 min, 3 h and 26.3 h, respectively, but these were reduced greatly by intoruding a scheme wherein six samples were simultaneously irradiated and the 56Mn and 187W nuclides were measured sequentially for a series of 66 samples. The average processing time was reduced to 45 min for tungsten with a precision of 4.0% and accuracy of 3.4% and 22.8 min for manganese with a precision of 3.8% and accuracy of 3.1%. |
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Wos |
A1987K058900044 |
Publication Date |
2002-07-25 |
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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 |
0003-2670; 1873-4324 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Open Access |
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Notes |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:116445 |
Serial |
8449 |
Permanent link to this record |
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Author |
Chakravorty, R.; Van Grieken, R. |
Title |
Radiochemical study of Cd, Co and Eu-coprecititation with iron hydroxide in seawater |
Type |
A3 Journal article |
Year |
1986 |
Publication |
Mikrochimica acta |
Abbreviated Journal |
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Volume |
3 |
Issue |
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Pages |
81-87 |
Keywords |
A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
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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 |
0344-838x |
ISBN |
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Additional Links |
UA library record |
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Open Access |
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Notes |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:116774 |
Serial |
8450 |
Permanent link to this record |
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Author |
Markowicz, A.; Van Dyck, P.; Van Grieken, R. |
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 |
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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Wos |
A1980JN16500003 |
Publication Date |
2005-05-28 |
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 |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Open Access |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:116482 |
Serial |
8451 |
Permanent link to this record |
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Author |
Potgieter-Vermaak, S.; Maledi, N.; Wagner, N.; van Heerden, J.H.P.; Van Grieken, R.; Potgieter, J.H. |
Title |
Raman spectroscopy for the analysis of coal : a review |
Type |
A1 Journal article |
Year |
2011 |
Publication |
Journal of Raman spectroscopy |
Abbreviated Journal |
|
Volume |
42 |
Issue |
2 |
Pages |
123-129 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
The advances in the characterization of amorphous carbons by Raman spectroscopy over the last four decades are of interest to many industries, especially those involving the combustion, gasification and pyrolysis of coal. Many researchers report on the Raman character of the natural organic matter in carbon-containing compounds, such as coal, and relate the Raman bands to the structural order of the amorphous carbons. The basis of most of these studies evolved around the assignment of the G (graphitic, ∼1580 cm−1) band to crystalline graphite and any other bands, called D bands, (disorder, various from 1100 to 1500 cm−1) to any type of structural disorder in the graphitic structure. Concerning coal analysis, the information gained by Raman investigations has been used to describe char evolution as a function of temperature, the presence of catalysts and different gasification conditions. In addition, researchers looked at maturation, grade, doppleritization and many more aspects of interest. One aspect that has, however, not been addressed by most of the researchers is the natural inorganic matter (NIM) in the carbon-containing compounds. Micro-Raman spectroscopy (MRS) has many advantages over other characterization tools, i.e. in situ analysis, nondestructive, no sample preparation, low detection limit, micrometer-scale characterization, versatility and sensitivity to many amorphous compounds. With the distinct advantages it has over that of other molecular characterization tools, such as powder X-ray diffraction (PXRD), Fourier-transform infrared spectrometry (FT-IR) and scanning electron microscopy with X-ray detection (SEM/EDS), it is surprising that it has not yet been fully exploited up to this point for the characterization of the NIM in coal and other amorphous carbons. This paper reviews the work published on the Raman characterization of the natural organic matter (NOM) of coals and reports on preliminary results of the NIM character of various South African coals, whereby various inorganic compounds and minerals in the coal have been characterized. |
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Wos |
000288543000001 |
Publication Date |
2010-03-11 |
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 |
0377-0486 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Open Access |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:87024 |
Serial |
8452 |
Permanent link to this record |
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Author |
Roekens, E.; Van Grieken, R. |
Title |
Rates of air pollution induced surface recession and material loss for a cathedral in Belgium |
Type |
A1 Journal article |
Year |
1989 |
Publication |
Atmospheric environment |
Abbreviated Journal |
|
Volume |
23 |
Issue |
1 |
Pages |
271-287 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
Runoff water samples were taken at the St. Rombout's Cathedral (Mechelen, Belgium), which was constructed with sandy limestones of Balegem and Gobertingen. Gypsum appeared to be the principal deterioration compound. The mean annual surface recession from the cathedral was calculated to be around 20 μm. Yearly several tons of stone material are flushed away from the cathedral with the rain water. |
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Wos |
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Publication Date |
2003-08-06 |
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 |
0004-6981 |
ISBN |
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Additional Links |
UA library record |
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Open Access |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:116455 |
Serial |
8454 |
Permanent link to this record |
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Author |
Otten, P.; Bruynseels, F.; Van Grieken, R. |
Title |
Reaction of marine aerosols with HNO3 vapour studied by single particle analysis |
Type |
P3 Proceeding |
Year |
1986 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
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Keywords |
P3 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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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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Open Access |
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Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:117508 |
Serial |
8455 |
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Author |
Jambers, W.; de Bock, L.; Van Grieken, R. |
Title |
Recent advances in the analysis of individual environmental particles: a review |
Type |
A1 Journal article |
Year |
1995 |
Publication |
The analyst |
Abbreviated Journal |
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Volume |
120 |
Issue |
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Pages |
681-692 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Wos |
A1995QP46100016 |
Publication Date |
2004-03-25 |
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UA library record; WoS full record; WoS citing articles |
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no |
Call Number |
UA @ admin @ c:irua:12343 |
Serial |
8458 |
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Author |
Claes, M.; de Bokx, P.; Van Grieken, R. |
Title |
Recent developments of laboratory grazing emission X-ray fluorescence spectrometry |
Type |
P1 Proceeding |
Year |
1999 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
103-107
T2 - Proceedings of the European Conferenc |
Keywords |
P1 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Wos |
000081658400015 |
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Series Title |
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Abbreviated Series Title |
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Series Issue |
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Additional Links |
UA library record; WoS full record |
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no |
Call Number |
UA @ admin @ c:irua:24718 |
Serial |
8459 |
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Author |
Stefaniak, E.A.; Sajó, I.; Alsecz, A.; Worobiec, A.; Máthé, Z.; Török, S.; Van Grieken, R. |
Title |
Recognition of uranium oxides in soil particulate matter by means of ì-Raman spectrometry |
Type |
A1 Journal article |
Year |
2008 |
Publication |
Journal of nuclear materials |
Abbreviated Journal |
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Volume |
381 |
Issue |
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Pages |
278-283 |
Keywords |
A1 Journal article; Laboratory Experimental Medicine and Pediatrics (LEMP); AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
Soil samples from an abandoned uranium mine have been investigated in order to determine the molecular phases of uranium compounds. The experiments were carried out with soil particulate matter, collected randomly from the area of the formerly exploited ore. To select the particles rich with uranium, scanning electron microscopy with energy-dispersive X-ray attachment (SEM/EDX) was applied first. Afterwards, the particles were relocated and measured by l-Raman spectrometry (MRS). Residues of the main deposit, uraninite UO2, were detected, along with its alteration products. In terms of Raman scattering properties, uranium oxides are quite sensitive to the laser beam wavelength, which results in very specific features of their Raman spectra. In this paper the Raman spectra of uranium oxides of different origin and oxidation states, measured with 514 and 785 nm lasers, are also presented |
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Wos |
000261347800010 |
Publication Date |
2008-09-18 |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0022-3115 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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no |
Call Number |
UA @ admin @ c:irua:71079 |
Serial |
8460 |
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Author |
Bruynseels, F.; Van Grieken, R. |
Title |
Recombination reactions and geometry effects in laser microprobe mass analysis studied with 12C/13C bilayers |
Type |
A1 Journal article |
Year |
1986 |
Publication |
International journal of mass spectrometry and ion processes |
Abbreviated Journal |
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Volume |
74 |
Issue |
2-3 |
Pages |
161-177 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
Bilayers of carbon, consisting of a layer of natural carbon and a second layer highly enriched in 13C, were investigated with the LAMMA 500-® instrument. When such a bilayer is perforated by the laser beam, comparable amounts of 12C and 13C are evaporated and partly ionized so that geometry effects and recombination reactions during laser-induced ionization can straightforwardly be studied. |
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Wos |
A1986G343200003 |
Publication Date |
2002-07-25 |
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 |
0168-1176; 1873-2801 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:113611 |
Serial |
8461 |
Permanent link to this record |
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Author |
Bruynseels, F.; Van Grieken, R. |
Title |
Recombination reactions and geometry effects in laser microprobe mass analysis studied with 12C/13C bilayers |
Type |
P3 Proceeding |
Year |
1986 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
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Keywords |
P3 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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UA library record |
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Approved |
no |
Call Number |
UA @ admin @ c:irua:117512 |
Serial |
8462 |
Permanent link to this record |
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Author |
Mihucz, V.G.; Varga, Z.; Tatár, E.; Virág, I.; Van Grieken, R.; Koleszár, Z.; Záray, G. |
Title |
Redistribution of uranium and thorium by soil/plant interaction in a recultivated mining area |
Type |
A1 Journal article |
Year |
2008 |
Publication |
Microchemical journal |
Abbreviated Journal |
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Volume |
90 |
Issue |
1 |
Pages |
44-49 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
During the recultivation of the uranium mining area of Kõvágószõlõs (Hungary), the tailings were covered with clay and loess soil layers having a thickness of 30 cm and 100 cm, respectively. In the loess covering layer, acacia (Robinia pseudoacacia), poplars (Populus × albus, Populus × canescens), oak (Quercus pubescens), silver tree (Eleagnus angustifolia) were planted between 1996 and 2004. In order to establish the extent of the uranium and thorium transport from the sludge to the leaves by uptake and translocation processes through roots with a length higher than 1.3 m results in a remarkable redistribution of these pollutants, a gray poplar tree, growing spontaneously in the last uncovered tailing, being selected as reference tree. The U and Th concentrations in the leaves of the above-mentioned trees, in the covering layers as well as in the original sludge were determined by inductively coupled plasma sector field mass spectrometry (ICP-SF-MS). Generally, the Th concentration of the soils was about 4 times higher than that of uranium, while uranium concentration was about 10130 times higher than that of thorium in the leaf samples and its concentration ranged from 28 to 1045 ng g− 1, the last value belonging to the poplar tree growing on the last uncovered tailing. In order to assume the mobility and bioavailability of uranium if the dry leaves fall down, the uranium species in the leaves of the poplar tree growing in the uncovered reservoir were determined applying ultrasound-assisted extraction with distilled water and ammonium acetate as well as high performance liquid chromatographic (HPLC)-ICP-SF-MS technique. About 20% of total uranium could be extracted in form of uranyl cations and a presumably negatively charged uranium compound. Estimations revealed that the annual increment of U in the soil surface layer due to the dead fallen leaves in case of the investigated gray poplar (Populus × canescens) is about 1.2%. |
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Wos |
000258744000008 |
Publication Date |
2008-03-21 |
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ISSN |
0026-265x; 0026-265x |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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no |
Call Number |
UA @ admin @ c:irua:70717 |
Serial |
8464 |
Permanent link to this record |
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Author |
Vanderborght, B.; Van Grieken, R. |
Title |
Reduction of trace metal levels in analytical-grade activated carbon |
Type |
A1 Journal article |
Year |
1977 |
Publication |
Analytica chimica acta |
Abbreviated Journal |
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Volume |
89 |
Issue |
2 |
Pages |
399-402 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Wos |
A1977DB52500022 |
Publication Date |
2002-07-25 |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0003-2670; 1873-4324 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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no |
Call Number |
UA @ admin @ c:irua:116368 |
Serial |
8466 |
Permanent link to this record |
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Author |
Injuk, J.; Van Grieken, R. |
Title |
Reference matarials for microanalytical nuclear techniques |
Type |
P3 Proceeding |
Year |
1995 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
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Keywords |
P3 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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UA library record |
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no |
Call Number |
UA @ admin @ c:irua:55574 |
Serial |
8467 |
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Author |
Kontozova, V.; Krupińska, B.; Van Grieken, R.; Janssen, E.; Moris, H.; Aerts, D.; Watteeuw, L.; van Bos, M.; Peckstadt, A. |
Title |
Research for preventive conservation and optimal presentation of world heritage in Museum Plantin-Moretus, Antwerp |
Type |
P3 Proceeding |
Year |
2011 |
Publication |
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Pages |
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Keywords |
P3 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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ISBN |
978-989-97522-0-7 |
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no |
Call Number |
UA @ admin @ c:irua:92095 |
Serial |
8473 |
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Author |
Swerling, G.; Travaglini, B.; Van Grieken, R.; Spolnik, Z.; Bencs, L.; [et al.]; European Project Freindly-Heating |
Title |
Il riscaldamento nelle chiese e la conservazione dei beni culturali = Church heating and the preservation of the cultural heritage |
Type |
ME2 Book as editor or co-editor |
Year |
2006 |
Publication |
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Issue |
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Pages |
240 p. |
Keywords |
ME2 Book as editor or co-editor; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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88-370-5034-8 |
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UA library record |
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no |
Call Number |
UA @ admin @ c:irua:61684 |
Serial |
8480 |
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Author |
Potgieter-Vermaak, S.; Van Grieken, R.; Potgieter, H. |
Title |
Die risikoprofiel van Pb en Cr in stedelike padstof |
Type |
A2 Journal article |
Year |
2012 |
Publication |
Litnet akademies : 'n joernaal vir die geesteswetenskappe |
Abbreviated Journal |
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Volume |
9 |
Issue |
3 |
Pages |
1-22 |
Keywords |
A2 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
The risk profile of Cr and Pb in urban road deposited sediment Exponential urbanisation and industrial growth occur on a global scale and result in an ecological burden, of which one important part is pollution. It is well known that the extent of air pollution has escalated over the past two decades in several parts of the world, despite mitigating measures and legislation. Current research points to the fact that air pollution in urban and industrial areas is substantially different from that found in rural areas. Road dust (RD) contributes up to 35% of airborne particulate matter due to resuspension thereof, and poses a health concern due to carcinogenic and toxic components potentially present in the micron-sized fractions. Although literature does report on the concentrations of trace, toxic metals and metalloids present in RD (Hooker and Nathanail 2006), the molecular make-up of particulates generated due to the resuspension of the RD is not well documented. In vitro and animal toxicological studies have confirmed that the chemical composition of inhaled particles plays a major role in its toxic, genotoxic and carcinogenic mechanisms, but the component-specific toxic effects are still not understood. Transition metals binding to air particle matter can result in reactive oxygen species in the human body (particularly in the lungs), and this is a significant risk, especially for vulnerable population groups like elderly people, children and terminally ill patients. The characterisation of the molecular composition of the fine fraction is evidently of importance for public health. During an earlier study, road dust from an inner-city environment in the UK was collected and partially characterised (Barrett e.a. 2010). These same-size fractions were analysed for their elemental concentrations, using X-ray Fluorescence Spectrometry (XRFS) and Inductively Coupled Plasma Mass Spectrometry (ICP-MS). In addition, single-particle analysis was performed on the different fractions by means of Computer Controlled Electron Probe X-ray Micro Analysis (CC-EPXMA) and their molecular structure probed by studying elemental associations. These findings were correlated with Micro Raman Spectroscopy (MRS) results. It was found that the fine fraction (<38 μm) had the highest Pb (238 ppm) and Cr (171 ppm) concentrations. The CC-EPXMA data showed >50% association of Cr-rich particles with Pb and the MRS data showed that the Cr was mostly present as lead chromate and therefore in the Cr(VI) oxidation state. Concentrations of both Pb and Cr decreased substantially (279 (<38 mm) 13 ppm (<1mm); 171 (<38 mm) 91 ppm (<1mm) respectively) in the larger fractions. Apart from rather alarmingly high concentrations of oxidative stressors (Cu, Fe, Mn), the carcinogenic and toxic potential of the inhalable fraction is evident. Preliminary bioaccessibility data indicated that both Cr and Pb are readily |
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1995-5928 |
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UA library record |
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no |
Call Number |
UA @ admin @ c:irua:102566 |
Serial |
8482 |
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Author |
Moropoulou, A.; Bisbikou, K.; Torfs, K.; Van Grieken, R. |
Title |
Risk analysis for the protection of cultural heritage from industrial pollution |
Type |
H3 Book chapter |
Year |
1999 |
Publication |
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Volume |
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Issue |
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Pages |
475-484
T2 - Structural studies, repairs and maint |
Keywords |
H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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UA library record |
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no |
Call Number |
UA @ admin @ c:irua:27598 |
Serial |
8483 |
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Author |
Godoi, R.H.M.; Godoi, A.F.L.; de Quadros, L.C.; Polezer, G.; Silva, T.O.B.; Yamamoto, C.I.; Van Grieken, R.; Potgieter-Vermaak, S. |
Title |
Risk assessment and spatial chemical variability of PM collected at selected bus stations |
Type |
A1 Journal article |
Year |
2013 |
Publication |
Air quality, atmosphere & health |
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Volume |
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Issue |
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Pages |
1-11 |
Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
The chemical characterization of particulate matter inside and outside of confined bus shelters has been discerned for the first time. Transit patrons are at risk due to the close vicinity of densely trafficked areas resulting in elevated pollution footprints. Incomplete combustion processes, as well as exhaust and wear and tear emissions from public and personal transportation vehicles, are key contributors to degraded urban air quality and are often implicated as causal to various diseases in humans. Urban planning, therefore, includes efficient public transport systems to mitigate the effect. The bus rapid transit system was inaugurated in Curitiba to ensure dedicated traffic lanes, major bus interchanges and semi-confined bus stops called tube stations. To assess the chemical risk that the passengers are exposed to, an investigation of the aerosol inside and outside five of these tube stations was launched. Electron probe X-ray micro-analysis and X-ray fluorescence were used to determine the elemental composition of individual and of bulk particle samples. An aethalometer quantified the black carbon. Elemental concentrations inside the shelters were in general higher than outside, especially for traffic-related elements. The lead concentration exceeded the NAAS standard at times, although the average was below the guideline. The biogenic, organic and soot clusters showed the highest abundance for the city centre sites. The overall carcinogenic risk could be classed as moderate, and the risk was significant at two sites during one of the sampling campaigns. The non-carcinogenic risk is well below the significant value. |
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000328332500006 |
Publication Date |
2013-11-01 |
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ISSN |
1873-9318 |
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UA library record; WoS full record; WoS citing articles |
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no |
Call Number |
UA @ admin @ c:irua:111086 |
Serial |
8484 |
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Author |
Chou, L.; Harlay, J.; Roevros, N.; Lannuzel, D.; Rebreanu, L.; van der Zee, C.; Lapernat, P.-E.; Daro, M.-H.; Aerts, K.; Godoi, R.; Van Grieken, R. |
Title |
Role of oceanic production and dissolution of calcium carbonate in climate change (CCCC): final report |
Type |
Minutes and reports |
Year |
2009 |
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Issue |
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Keywords |
Minutes and reports; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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no |
Call Number |
UA @ admin @ c:irua:80696 |
Serial |
8486 |
Permanent link to this record |