Records |
Author |
Injuk, J.; Van Grieken, R. |
Title |
Atmospheric concentrations and deposition of heavy metals over the North Sea: a literature review |
Type |
A1 Journal article |
Year |
1995 |
Publication |
Journal of atmospheric chemistry |
Abbreviated Journal |
|
Volume |
20 |
Issue |
|
Pages |
179-212 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Wos |
A1995RJ26500004 |
Publication Date |
2004-11-29 |
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 |
0167-7764 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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 |
Call Number |
UA @ admin @ c:irua:12348 |
Serial |
7519 |
Permanent link to this record |
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Author |
Injuk, J.; Otten, P.; Laane, R.; Maenhaut, W.; Van Grieken, R. |
Title |
Atmospheric concentrations and size distributions of aircraft-sampled Cd, Cu, Pb and Zn over the Southern Bight of the North Sea |
Type |
A1 Journal article |
Year |
1992 |
Publication |
Atmospheric environment : an international journal |
Abbreviated Journal |
|
Volume |
26a |
Issue |
|
Pages |
2499-2508 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
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Place of Publication |
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Wos |
A1992JN29900003 |
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 |
|
Series Issue |
|
Edition |
|
ISSN |
1352-2310 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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 |
Call Number |
UA @ admin @ c:irua:2837 |
Serial |
7520 |
Permanent link to this record |
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Author |
Moropoulou, A.; Bisbikou, K.; Torfs, K.; Van Grieken, R. |
Title |
Atmospheric deposition as decay factor for the Demeter sanctuary ruins in the industrial atmosphere of Eleusis, Greece |
Type |
A1 Journal article |
Year |
1998 |
Publication |
Environmental technology |
Abbreviated Journal |
|
Volume |
19 |
Issue |
|
Pages |
1039-1047 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
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Place of Publication |
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Wos |
000076784500007 |
Publication Date |
2008-06-20 |
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 |
|
Edition |
|
ISSN |
0959-3330 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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 |
Call Number |
UA @ admin @ c:irua:22776 |
Serial |
7523 |
Permanent link to this record |
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Author |
Bencs, L.; Krata, A.; Horemans, B.; Buczyńska, A.J.; Dirtu, A.C.; Godoi, A.F.L.; Godoi, R.H.M.; Potgieter-Vermaak, S.; Van Grieken, R. |
Title |
Atmospheric nitrogen fluxes at the Belgian coast: 2004-2006 |
Type |
A1 Journal article |
Year |
2009 |
Publication |
Atmospheric environment : an international journal |
Abbreviated Journal |
|
Volume |
43 |
Issue |
24 |
Pages |
3786-3798 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
Daily and seasonal variations in dry and wet atmospheric nitrogen fluxes have been studied during four campaigns between 2004 and 2006 at a coastal site of the Southern North Sea at De Haan (Belgium) located at coordinates of 51.1723° N and 3.0369° E. Concentrations of inorganic N-compounds were determined in the gaseous phase, size-segregated aerosol (coarse, medium, and fine), and rainwater samples. Dissolved organic nitrogen (DON) was quantified in rainwater. The daily variations in N-fluxes of compounds were evaluated with air-mass backward trajectories, classified into the main air-masses arriving at the sampling site (i.e., continental, North Sea, and Atlantic/UK/Channel). The three, non-episodic campaigns showed broadly consistent fluxes, but during the late summer campaign exceptionally high episodic N-deposition was observed. The average dry and wet fluxes for non-episodic campaigns amounted to 2.6 and 4.0 mg N m−2 d−1, respectively, whereas during the episodic late summer period these fluxes were as high as 5.2 and 6.2 mg N m−2 d−1, respectively. Non-episodic seasons/campaigns experienced average aerosol fluxes of 0.91.4 mg N m−2 d−1. Generally, the contribution of aerosol NH4+ was more significant in the medium and fine particulate fractions than that of aerosol NO3−, whereas the latter contributed more in the coarse fraction, especially in continental air-masses. During the dry mid-summer campaign, the DON contributed considerably (15%) to the total N-budget. Exceptionally high episodic aerosol-N inputs have been observed for the late summer campaign, with especially high deposition rates of 3.6 and 2.9 mg N m−2 d−1 for Atlantic/UK/Channel and North Sea-continental (mixed) air-masses, respectively. During this pollution episode, the flux of NH4+ was dominating in each aerosol fraction/air-mass, except for coarse continental aerosols. High deposition of gaseous-N was also observed in this campaign with an average total N-flux of 22.5-times higher than in other campaigns. |
Address |
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Wos |
000268609000015 |
Publication Date |
2009-04-17 |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
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Series Volume |
|
Series Issue |
|
Edition |
|
ISSN |
1352-2310 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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 |
Call Number |
UA @ admin @ c:irua:77255 |
Serial |
7527 |
Permanent link to this record |
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|
|
Author |
Ravindra, K.; Sokhi, R.; Van Grieken, R. |
Title |
Atmospheric polycyclic aromatic hydrocarbons: source attribution, emission factors and regulation |
Type |
A1 Journal article |
Year |
2008 |
Publication |
Atmospheric environment : an international journal |
Abbreviated Journal |
|
Volume |
42 |
Issue |
13 |
Pages |
2895-2921 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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 |
000256845900001 |
Publication Date |
2008-03-04 |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
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Series Volume |
|
Series Issue |
|
Edition |
|
ISSN |
1352-2310 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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 |
Call Number |
UA @ admin @ c:irua:68424 |
Serial |
7531 |
Permanent link to this record |
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|
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Author |
Malenky, B.; Van Grieken, R.; Van 't dack, L.; Luria, M. |
Title |
Atmospheric trace element concentrations in Jerusalem, Israel |
Type |
A1 Journal article |
Year |
1983 |
Publication |
Atmospheric environment |
Abbreviated Journal |
|
Volume |
17 |
Issue |
4 |
Pages |
819-822 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
Trace elements found in aerosols were monitored in Jerusalem during the 1979 winter season utilizing an X-ray fluoresence technique. Most of the particulate mass was associated with the natural soil elements, such as Ca, Fe, K and Ti. Only a small fraction of the mass was comprised of elements clearly emitted from human sources, e.g. Pb, Br, V, Ni and Zn. An excellent correspondence was found between the enrichment factors observed in this study and those postulated for other parts of the world. However, the concentration of Ca and Sr in the Jerusalem suspended dust is substantially higher when compared with world averages of urban aerosols. |
Address |
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Corporate Author |
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Thesis |
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Place of Publication |
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Language |
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Wos |
A1983QS29300018 |
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 |
|
ISSN |
1352-2310 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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 |
Call Number |
UA @ admin @ c:irua:111438 |
Serial |
7532 |
Permanent link to this record |
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|
|
Author |
Markowicz, A.A.; Van Grieken, R.E. |
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 |
|
Volume |
56 |
Issue |
14 |
Pages |
2798-2801 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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 |
A1984TU34600040 |
Publication Date |
2005-03-08 |
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 |
|
ISSN |
0003-2700; 5206-882x |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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:116519 |
Serial |
7535 |
Permanent link to this record |
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|
|
Author |
Vanderborght, B.; Van Grieken, R. |
Title |
Automated evaluation of photographically recorded spark-source mass spectra |
Type |
A1 Journal article |
Year |
1978 |
Publication |
Analytica chimica acta |
Abbreviated Journal |
|
Volume |
103 |
Issue |
3 |
Pages |
223-235 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
A computer routine was developed for qualitative and quantitative analysis of photographically recorded spark-source mass spectra. Particular attention is given to the case of a graphite matrix. The program starts from the line intensities (expressed as Seidel values) and isotope masses calculated from the densitometer readings by a commercially available routine. From the intensities in the different exposures (typically 15 stages), it computes the parameters for the linear parts of the density curves for each ion. Taking into account mutual interferences of multivalent ions, isotope or C-clusters, oxide, carbide and dicarbide ions, the program automatically identifies and then quantifies the elements present. The precision of the results is around 5%. Reading and complete processing of one photoplate is achieved within 23 h. |
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 |
A1978GD90900003 |
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 |
|
Series Issue |
|
Edition |
|
ISSN |
0003-2670; 1873-4324 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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 |
Call Number |
UA @ admin @ c:irua:113631 |
Serial |
7538 |
Permanent link to this record |
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|
|
Author |
Van Dyck, P.; Van Grieken, R. |
Title |
Automated matrix-correction of line ratios in energy-dispersive x-ray fluorescence spectrum deconvolution |
Type |
A1 Journal article |
Year |
1983 |
Publication |
X-ray spectrometry |
Abbreviated Journal |
|
Volume |
12 |
Issue |
3 |
Pages |
111-114 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
Most computer XRF-spectrum deconvolution routines make use of fixed intensity ratios for the lines from one element. The magnitude of the error that fixed ratios imply has been quantitatively evaluated for samples with a varible thickness or matrix. A procedure for routinely adapting the line ratios according to the matrix effect in every sample (by making use of the matrix information present in the scatter peaks) enhances the accuracy of the spectrum evaluation. |
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 |
A1983RA69700004 |
Publication Date |
2005-05-28 |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
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Series Volume |
|
Series Issue |
|
Edition |
|
ISSN |
0049-8246 |
ISBN |
|
Additional Links |
UA library record; WoS full record |
Impact Factor |
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Times cited |
|
Open Access |
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Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:116484 |
Serial |
7539 |
Permanent link to this record |
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|
|
Author |
Van Dyck, P.; Storms, H.; Van Grieken, R. |
Title |
Automated quantitative electron-microprobe analysis of particulate material |
Type |
A1 Journal article |
Year |
1984 |
Publication |
Journal de physique |
Abbreviated Journal |
|
Volume |
45 |
Issue |
C:2 |
Pages |
781-784 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
An automated electron microprobe, equipped with an energy-dispersive X-ray spectrometer and an additional backscattered electron signal digitalization system, can allow rapid sizing and major element analysis on numerous particles. A software package has been developed to exploit the particle size and shape information to achieve quantitative analysis of single particles, and to compare the performance of the different matrix correction procedures. |
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 |
A1984SQ01400181 |
Publication Date |
2007-08-21 |
Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
|
Series Issue |
|
Edition |
|
ISSN |
0302-0738 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
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Times cited |
|
Open Access |
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Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:113620 |
Serial |
7540 |
Permanent link to this record |
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|
|
Author |
Van Dyck, P.; Markowicz, A.; Van Grieken, R. |
Title |
Automatic absorption correction in x-ray fluorescence analysis of intermediate thickness samples using a dual external reference signal |
Type |
A1 Journal article |
Year |
1980 |
Publication |
X-ray spectrometry |
Abbreviated Journal |
|
Volume |
9 |
Issue |
2 |
Pages |
70-76 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
A method has been investigated which allows calculations from the X-ray fluorescence spectra of the absorption coefficients at any energy for any sample, without any additional measurement. Use is made of the ratio of the characteristic X-ray signals from a Zr wire positioned in front of the sample and from a Pd foil placed behind the sample, both in a fixed geometry. From the experimentally measured absorption coefficient at the Pd L energy (2.9 keV), the coefficients for higher energies are calculated. By the use of an iterative computer routine in which corrections for the enhancement of the Pd foil by the sample are also included, an accuracy of 2% or better on the absorption coefficient determination can be reached for homogenous samples in one measurement. Grain-size and heterogeneity effects induce inaccuracies on the absorption coefficient determinations which might well reach 20% for particulate samples like intermediate thickness deposits of geological materials. This approach thus has the same limitations as the classical transmission method for such heterogeneous samples. |
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 |
A1980JN16500007 |
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 |
|
Series Issue |
|
Edition |
|
ISSN |
0049-8246 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
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Times cited |
|
Open Access |
|
Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:116483 |
Serial |
7541 |
Permanent link to this record |
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|
|
Author |
Annegarn, H.J.; Van Grieken, R.E.; Dibby, D.M.; Von Blottnitz, F. |
Title |
Background aerosol composition in the Namib Desert, South West-Africa (Namibia) |
Type |
A1 Journal article |
Year |
1983 |
Publication |
Atmospheric environment : an international journal |
Abbreviated Journal |
|
Volume |
17 |
Issue |
10 |
Pages |
2045-2053 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
A remote site in the Namib Desert was selected for sampling background aerosols in southern Africa, as one of a wide network of stations spanning the Southern Hemisphere in a programme designed to measure the background concentrations of trace elements in the atmosphere. A series of samples was collected over a 6-month period using a single-orifice cascade impactor, which fractionated the particles into six size groups. Analysis was performed using particle-induced X-ray emission (PIXE), yielding results for S, Cl, K, Ca, Ti, Mn, Fe, Br and Sr, and occasionally also for V, Cr, Ni, Cu, Zn and Pb. No direct correlations with wind direction were observed excluding strong local or regional sources of particles. K, Ca, Ti, Mn and Fe can be identified with a dust dispersion source. Cl, large particle S and Br, and part of the K and Sr are derived from sea spray. Relative to the soil components small particle K is not enriched as it normally is in regions with less scarce vegetation. Cr, V, Ni, Cu, Zn and Pb concentrations and enrichments in the aerosol are lower than practically all values measured at any other location hitherto. The concentration of the small particle sulphur, 200 ng m−3, is believed to be related to anaerobic conditions and plankton blooms in the ocean upwelling zones off Namibia. |
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Place of Publication |
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Wos |
A1983RP58300017 |
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 |
|
Series Issue |
|
Edition |
|
ISSN |
1352-2310 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
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Times cited |
|
Open Access |
|
Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:113623 |
Serial |
7545 |
Permanent link to this record |
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|
|
Author |
Stroobants, N.; Dehairs, F.; Goeyens, L.; Vanderheijden, N.; Van Grieken, R. |
Title |
Barite formation in the Southern Ocean water column |
Type |
A1 Journal article |
Year |
1991 |
Publication |
Marine chemistry |
Abbreviated Journal |
|
Volume |
35 |
Issue |
|
Pages |
411-421 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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 |
A1991GZ58500031 |
Publication Date |
2009-09-04 |
Series Editor |
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Series Title |
|
Abbreviated Series Title |
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Series Volume |
|
Series Issue |
|
Edition |
|
ISSN |
0304-4203; 1872-7581 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
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Times cited |
|
Open Access |
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Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:664 |
Serial |
7550 |
Permanent link to this record |
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|
|
Author |
Semenov, M.Y.; Van Grieken, R. |
Title |
Base cation fluxes in mountain landscapes of Lake Baikal southern shore |
Type |
A1 Journal article |
Year |
2007 |
Publication |
Communications in soil science and plant analysis |
Abbreviated Journal |
|
Volume |
38 |
Issue |
19-20 |
Pages |
2635-2646 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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 |
000251885800005 |
Publication Date |
2007-11-14 |
Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
Series Volume |
|
Series Issue |
|
Edition |
|
ISSN |
0010-3624 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
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Times cited |
|
Open Access |
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Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:65351 |
Serial |
7551 |
Permanent link to this record |
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|
Author |
Jacobs, W.; Dubois, D.; Floren, E.; Aerts, D.; Goris, J.; Buczyńska, A.; Van Grieken, R. |
Title |
Benzene concentrations on board chemical tankers |
Type |
A1 Journal article |
Year |
2011 |
Publication |
WMU journal of maritime affairs |
Abbreviated Journal |
|
Volume |
10 |
Issue |
1 |
Pages |
117-126 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
Maritime transport of benzene is regulated by the International Maritime Organisation (IMO). Two important guidelines for a ships crew in this matter are IMO circulars 1095 and 1220. The first one describes the minimum safety standards for ships carrying liquids in bulk containing benzene while circular 1220 deals with structural guidelines for new ships carrying liquids in bulk containing benzene, but also technical developments could help in improving safety and health protection on board chemical tankers carrying benzene in bulk. The aim of the present paper is to determine the benzene concentration in the working and living environment on board a modern chemical tanker carrying benzene in bulk, where all safety, technical and operational procedures described by IMO in the above-mentioned circulars are followed. During specific cargo operations, we measured the benzene concentrations on different locations on board by means of Radiello® passive diffusive samplers. Despite all measures taken, we found an important difference in benzene concentration between operations with a benzene cargo compared to operations without benzene on board, as well as inside and outside the accommodation. Moreover, even during discharge operations, where the emission is theoretically zero, we found an important increase in the benzene concentration. In addition, we found less favourable results for the engine room. |
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 |
|
Language |
|
Wos |
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Publication Date |
2010-11-22 |
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 |
|
ISSN |
1651-436x; 1654-1642 |
ISBN |
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Additional Links |
UA library record |
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 |
Call Number |
UA @ admin @ c:irua:89551 |
Serial |
7555 |
Permanent link to this record |
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|
|
Author |
Harlay, J.; Borges, A.V.; van der Zee, C.; Delille, B.; Godoi, R.H.M.; Schiettecatte, L.-S.; Roevros, N.; Aerts, K.; Lapernat, P.-E.; Rebreanu, L.; Groom, S.; Daro, M.-H.; Van Grieken, R.; Chou, L. |
Title |
Biogeochemical study of a coccolithophore bloom in the northern Bay of Biscay (NE Atlantic Ocean) in June 2004 |
Type |
A1 Journal article |
Year |
2010 |
Publication |
Progress in oceanography |
Abbreviated Journal |
|
Volume |
86 |
Issue |
3/4 |
Pages |
317-336 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
The present paper synthesizes data obtained during a multidisciplinary cruise carried out in June 2004 at the continental margin of the northern Bay of Biscay. The data-set allows to describe the different stages of a coccolithophore bloom dominated by Emiliania huxleyi. The cruise was carried out after the main spring phytoplankton bloom that started in mid-April and peaked in mid-May. Consequently, low phosphate (PO4 < 0.2 μM) and silicate (DSi < 2.0 μM) concentrations, low partial pressure of carbon dioxide (pCO2) and high calcite saturation degree in surface waters combined with thermal stratification, probably favoured the blooming of coccolithophores. During the period of the year our cruise was carried out, internal tides induce enhanced vertical mixing at the continental shelf break leading to the injection of inorganic nutrients to surface waters that probably trigger the bloom. The bloom developed as the water-column stratified and as the water mass was advected over the continental shelf, following the general residual circulation in the area. The most developed phase of the bloom was sampled in a remote sensed high reflectance (HR) patch over the continental shelf that was characterized by low chlorophyll-a (Chl-a) concentration in surface waters (<1.0 μg L−1), high particulate inorganic carbon (PIC) concentration (not, vert, similar8 μmol L−1) and coccolithophore abundance up to 57 × 106 cells L−1. Transparent exopolymer particles (TEP) concentrations ranged between 15 and 75 μg C L−1 and carbon content of TEP represented up to 26% of the particulate organic carbon (POC; maximum concentration of 15.5 μmol L−1 in the upper 40 m). Integrated primary production (PP) ranged between 210 and 680 mg C m−2 d−1 and integrated calcification (CAL) ranged between 14 and 140 mg C m−2 d−1, within the range of PP and CAL values previously reported during coccolithophore blooms in open and shelf waters of the North Atlantic Ocean. Bacterial protein production (BPP) measurements in surface waters (0.30.7 μg C L−1 h−1) were much higher than those reported during early phases of coccolithophore blooms in natural conditions, but similar to those during peak and declining coocolithophorid blooms reported in mesocosms. Total alkalinity anomalies with respect to conservative mixing (ΔTA) down to −49 μmol kg−1 are consistent with the occurrence of biogenic precipitation of calcite, while pCO2 remained 15107 μatm lower than atmospheric equilibrium (372 μatm). The correlation between ΔTA and pCO2 suggested that pCO2 increased in part due to calcification, but this increase was insufficient to overcome the background under-saturation of CO2. This is related to the biogeochemical history of the water masses due to net carbon fixation by the successive phytoplankton blooms in the area prior to the cruise, hence, the investigated area remained a sink for atmospheric CO2 despite calcification. |
Address |
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Corporate Author |
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Place of Publication |
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Wos |
000281937800001 |
Publication Date |
2010-04-20 |
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 |
|
ISSN |
0079-6611 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
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:84236 |
Serial |
7560 |
Permanent link to this record |
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|
|
Author |
Markowicz, A.A.; Storms, H.M.; Van Grieken, R.E. |
Title |
Bremsstrahlung background in electron-probe X-ray-microanalysis of thin films |
Type |
A1 Journal article |
Year |
1985 |
Publication |
Analytical chemistry |
Abbreviated Journal |
|
Volume |
57 |
Issue |
14 |
Pages |
2885-2889 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
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Corporate Author |
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Wos |
A1985AVD0100033 |
Publication Date |
2005-03-08 |
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 |
0003-2700; 5206-882x |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
|
Times cited |
|
Open Access |
|
Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:113616 |
Serial |
7567 |
Permanent link to this record |
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|
|
Author |
Bencs, L. |
Title |
Calculation of the spectral line profile broadening parameter in graphite furnace atomic absorption spectrometry |
Type |
A1 Journal article |
Year |
2008 |
Publication |
Canadian Journal Of Analytical Sciences And Spectroscopy |
Abbreviated Journal |
|
Volume |
53 |
Issue |
2 |
Pages |
52-58 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
A polynomial approach is applied for a number of data from the Posener-tables to calculate the values of the intensity distribution function of atomic absorption lines – H(a, 0.726a) – at the tabulated damping-parameter values with an error not worse than 0.044 %. For the resultant H(a, 0.726a) data, the ninth and sixth order polynomials can be fitted according to the damping parameter range of 0-2, and 2-10, respectively, which results in a minimal error of approximation. The derived functions are simply applicable to the calculation of any H(a, 0.726a) value belonging to a damping-parameter of any arbitrarily selected spectral line, implying the influence of Doppler- and Lorentz-broadening. The overall error of the described method is lower than 0.4 %. |
Address |
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Corporate Author |
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Place of Publication |
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Wos |
000260130600002 |
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 |
|
Edition |
|
ISSN |
1205-6685 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
|
Times cited |
|
Open Access |
|
Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:103094 |
Serial |
7571 |
Permanent link to this record |
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|
|
Author |
Fuoco, T.; Cuartero, M.; Parrilla, M.; García-Guzmán, J.J.; Crespo, G.A.; Finne-Wistrand, A. |
Title |
Capturing the real-time hydrolytic degradation of a library of biomedical polymers by combining traditional assessment and electrochemical sensors |
Type |
A1 Journal article |
Year |
2021 |
Publication |
Biomacromolecules |
Abbreviated Journal |
Biomacromolecules |
Volume |
22 |
Issue |
2 |
Pages |
949-960 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
We have developed an innovative methodology to overcome the lack of techniques for real-time assessment of degradable biomedical polymers at physiological conditions. The methodology was established by combining polymer characterization techniques with electrochemical sensors. The in vitro hydrolytic degradation of a series of aliphatic polyesters was evaluated by following the molar mass decrease and the mass loss at different incubation times while tracing pH and l-lactate released into the incubation media with customized miniaturized electrochemical sensors. The combination of different analytical approaches provided new insights into the mechanistic and kinetics aspects of the degradation of these biomedical materials. Although molar mass had to reach threshold values for soluble oligomers to be formed and specimens’ resorption to occur, the pH variation and l-lactate concentration were direct evidence of the resorption of the polymers and indicative of the extent of chain scission. Linear models were found for pH and released l-lactate as a function of mass loss for the l-lactide-based copolymers. The methodology should enable the sequential screening of degradable polymers at physiological conditions and has potential to be used for preclinical material’s evaluation aiming at reducing animal tests. |
Address |
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Corporate Author |
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Thesis |
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Place of Publication |
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Publication Date |
2021-01-27 |
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 |
1525-7797 |
ISBN |
|
Additional Links |
UA library record |
Impact Factor |
5.246 |
Times cited |
|
Open Access |
OpenAccess |
Notes |
|
Approved |
Most recent IF: 5.246 |
Call Number |
UA @ admin @ c:irua:175296 |
Serial |
7575 |
Permanent link to this record |
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|
|
Author |
Serneels, S.; Faber, K.; Verdonck, T.; van Espen, P.J. |
Title |
Case specific prediction intervals for tri-PLS1 : the full local linearisation |
Type |
A1 Journal article |
Year |
2011 |
Publication |
Chemometrics and intelligent laboratory systems |
Abbreviated Journal |
|
Volume |
108 |
Issue |
2 |
Pages |
93-99 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
A new method to estimate case specific prediction uncertainty for univariate trilinear partial least squares (tri-PLS1) regression is introduced. This method is, from a theoretical point of view, the most exact finite sample approximation to true prediction uncertainty that has been reported up till now. Using the new method, different error sources can be propagated, which is an advantage that cannot be offered by data driven approaches such as the bootstrap. In a concise example, it is illustrated how the method can be applied. In the Appendix, efficient algorithms are presented to compute the estimates required. |
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 |
000295310000002 |
Publication Date |
2011-05-12 |
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 |
0169-7439; 1873-3239 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
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Times cited |
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Open Access |
|
Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:92788 |
Serial |
7580 |
Permanent link to this record |
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|
Author |
Potgieter, J.H.; Godoi, R.H.M.; Van Grieken, R. |
Title |
A case study of high-temperature corrosion in rotary cement kilns |
Type |
A1 Journal article |
Year |
2004 |
Publication |
Journal of the South African Institute of Mining and Metallurgy |
Abbreviated Journal |
|
Volume |
104 |
Issue |
|
Pages |
603-606 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
|
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 |
000226560900008 |
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 |
0038-223x |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
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Times cited |
|
Open Access |
|
Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:50187 |
Serial |
7581 |
Permanent link to this record |
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Author |
Noone, K.J.; Johnson, D.W.; Taylor, J.P.; Ferek, R.J.; Garrett, T.; Hobbs, P.V.; Durkee, P.A.; Nielsen, K.; Öström, E.; O'Dowd, C.D.; Smith, M.H.; Russell, L.M.; Flagan, R.C.; Seinfeld, J.H.; de Bock, L.; Van Grieken, R.E.; Hudson, J.G.; Brooks, I.; Gasparovic, R.F.; Pockalny, R.A. |
Title |
A case study of ship track formation in a polluted marine boundary layer |
Type |
A1 Journal article |
Year |
2000 |
Publication |
Journal of the atmospheric sciences |
Abbreviated Journal |
|
Volume |
57 |
Issue |
|
Pages |
2748-2764 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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 |
000088911800016 |
Publication Date |
2002-07-27 |
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 |
0022-4928; 1520-0469 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
|
Times cited |
|
Open Access |
|
Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:31631 |
Serial |
7582 |
Permanent link to this record |
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|
|
Author |
Noone, K.J.; Öström, E.; Ferek, R.J.; Garrett, T.; Hobbs, P.V.; Johnson, D.W.; Taylor, J.P.; Russell, L.M.; Flagan, R.C.; Seinfeld, J.H.; O'Dowd, C.D.; Smith, M.H.; Durkee, P.A.; Nielsen, K.; Hudson, J.G.; Pockalny, R.A.; de Bock, L.; Van Grieken, R.E.; Gasparovic, R.F.; Brooks, I. |
Title |
A case study of ships forming and not forming tracks in moderately polluted clouds |
Type |
A1 Journal article |
Year |
2000 |
Publication |
Journal of the atmospheric sciences |
Abbreviated Journal |
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Volume |
57 |
Issue |
|
Pages |
2729-2747 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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 |
000088911800015 |
Publication Date |
2002-07-27 |
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 |
0022-4928; 1520-0469 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
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Times cited |
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Open Access |
|
Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:31624 |
Serial |
7583 |
Permanent link to this record |
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Author |
Torfs, K.; Van Grieken, R.; Zezza, F.; Garcia, N.; Macri, F. |
Title |
The cathedral of Bari, Italy: evaluation of environmental effects on stone decay phenomena |
Type |
A1 Journal article |
Year |
1997 |
Publication |
Studies in conservation = Études de conservation |
Abbreviated Journal |
|
Volume |
42 |
Issue |
|
Pages |
193-206 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
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Corporate Author |
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Place of Publication |
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Wos |
000071198200001 |
Publication Date |
2006-04-23 |
Series Editor |
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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; WoS full record; WoS citing articles |
Impact Factor |
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Times cited |
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Open Access |
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Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:18785 |
Serial |
7585 |
Permanent link to this record |
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|
Author |
Gysels, K.; Deutsch, F.; Van Grieken, R. |
Title |
Characterisation of particulate matter in the Royal Museum of Fine Arts, Antwerp, Belgium |
Type |
A1 Journal article |
Year |
2002 |
Publication |
Atmospheric environment : an international journal |
Abbreviated Journal |
|
Volume |
36 |
Issue |
|
Pages |
4103-4113 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
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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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Wos |
000178473100009 |
Publication Date |
2002-09-06 |
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 |
1352-2310 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
|
Times cited |
|
Open Access |
|
Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:40620 |
Serial |
7600 |
Permanent link to this record |
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|
Author |
Smekens, A.; Godoi, R.H.M.; Berghmans, P.; Van Grieken, R. |
Title |
Characterisation of soot emitted by domestic heating, aircraft and cars using diesel or biodiesel |
Type |
A1 Journal article |
Year |
2005 |
Publication |
Journal of atmospheric chemistry |
Abbreviated Journal |
|
Volume |
52 |
Issue |
1 |
Pages |
45-62 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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 |
000232793100003 |
Publication Date |
2005-10-21 |
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 |
0167-7764 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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:55211 |
Serial |
7601 |
Permanent link to this record |
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Author |
Potgieter-Vermaak, S.S.; Potgieter, J.H.; Kruger, R.A.; Spolnik, Z.; Van Grieken, R. |
Title |
A characterisation of the surface properties of an ultra fine fly ash (UFFA) used in the polymer industry |
Type |
A1 Journal article |
Year |
2005 |
Publication |
Fuel |
Abbreviated Journal |
|
Volume |
84 |
Issue |
18 |
Pages |
2295-2300 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
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Corporate Author |
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Thesis |
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Place of Publication |
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Wos |
000233053100002 |
Publication Date |
2005-06-28 |
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 |
0016-2361 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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 |
Call Number |
UA @ admin @ c:irua:54564 |
Serial |
7603 |
Permanent link to this record |
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Author |
Osán, J.; Alföldy, B.; Török, S.; Van Grieken, R. |
Title |
Characterisation of wood combustion particles using electron probe microanalysis |
Type |
A1 Journal article |
Year |
2002 |
Publication |
Atmospheric environment : an international journal |
Abbreviated Journal |
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Volume |
36 |
Issue |
|
Pages |
2207-2214 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
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Corporate Author |
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Thesis |
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Place of Publication |
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Wos |
000176306700012 |
Publication Date |
2002-10-11 |
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 |
|
ISSN |
1352-2310 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
|
Times cited |
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Open Access |
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Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:39520 |
Serial |
7604 |
Permanent link to this record |
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|
|
Author |
Bencs, L.; Szakács, O.; Szoboszlai, N.; Ajtony, Z.; Bozsai, G. |
Title |
Characteristics of atomic absorption calibration curves with the transversely heated graphite furnace |
Type |
A1 Journal article |
Year |
2003 |
Publication |
Journal of analytical atomic spectrometry |
Abbreviated Journal |
|
Volume |
18 |
Issue |
2 |
Pages |
105-110 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
Abstract |
Calibration curves with two quasi-linear sections ("double sloping'') were observed for the medium volatile elements, Cr and Cu, with the use of a SIMAA 6000 graphite furnace atomic absorption spectrometer under interrupted internal gas flow conditions. If a standard transversally heated graphite atomizer (THGA) tube was shortened by 0.5 mm at both of its ends, (i.e. the gaps were enlarged between graphite furnace housing and tube ends), a stronger declination of the calibration curves resulted. Elements with fairly high diffusion coefficients (>5.8 cm(2) s(-1)) and with short appearance time of their transients (<0.6 s), such as Cr and Cu, have shown the most characteristic sensitivity drop towards higher concentrations. This anomalous feature could be eliminated in three different ways; (1) by applying end-capped THGA tubes, (2) using mini-flow (50 cm(3) min(-1)) conditions during the atomization stage, and (3) by adding Pd-Mg chemical modifier. For the low volatile Mo and V, the calibration curves had no irregular shape. For Ag, Co, Cr, Cu, Mn and Ni, the mini-flow settings improved the linearity of the calibration curves and extended the upper limit of the linear calibration range by a factor of 1.5-2.0. The irregular characteristic of the analytical curves was interpreted as an increased vapour loss at higher analyte concentrations through the opened ends of the standard THGA tubes. This vapour loss was associated with the significantly diverse expulsion velocities of atoms, caused by the difference in temperature and concentration gradients, when evaporating amounts of analytes with more than one order of magnitude difference. |
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 |
|
Language |
|
Wos |
000180666600003 |
Publication Date |
2003-01-28 |
Series Editor |
|
Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
|
Edition |
|
ISSN |
0267-9477 |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
|
Times cited |
|
Open Access |
|
Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:103320 |
Serial |
7606 |
Permanent link to this record |
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|
Author |
Smits, J.A.; Van Grieken, R.E. |
Title |
Characterization of a 2,2'-diaminodiethylamine-cellulose filter toward metal cation extraction |
Type |
A1 Journal article |
Year |
1980 |
Publication |
Analytical chemistry |
Abbreviated Journal |
|
Volume |
52 |
Issue |
9 |
Pages |
1479-1489 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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 |
A1980KB79500027 |
Publication Date |
2005-03-08 |
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 |
0003-2700; 5206-882x |
ISBN |
|
Additional Links |
UA library record; WoS full record; WoS citing articles |
Impact Factor |
|
Times cited |
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Open Access |
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Notes |
|
Approved |
no |
Call Number |
UA @ admin @ c:irua:116515 |
Serial |
7610 |
Permanent link to this record |