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Author Smekens, A.; Knupfer, M.; Berghmans, P.; Van Grieken, R.
Title The elemental composition and microstructure of soot emitted by different sources Type A1 Journal article
Year 2000 Publication Journal of aerosol science Abbreviated Journal
Volume 31 Issue S1 Pages 917-918
Keywords A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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Series Editor Series Title Abbreviated Series Title
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ISSN 0021-8502; 1879-1964 ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:31647 Serial 7887
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Author Silva, F.S.; Godoi, R.H.M.; Tauler, R.; de André, P.A.; Saldiva, P.H.N.; Van Grieken, R.; de Marchi, M.R.R.
Title Elemental composition of PM2.5 in Araraquara City (Southeast Brazil) during seasons with and without sugar cane burning Type A2 Journal article
Year 2015 Publication Journal of environmental protection Abbreviated Journal
Volume 6 Issue 5 Pages 426-434
Keywords A2 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Abstract Particulate matter with an aerodynamic diameter below 2.5 μm (PM2.5), present in polluted air, has been associated with a large spectrum of health impairments, mainly because of its deep deposition into the lungs. Araraquara City (Southeast Brazil) is surrounded by sugar-cane plantations, which are burned to facilitate the harvesting; this process causes environmental pollution due to the large amounts of soot that are released into the atmosphere. In this work, the elemental composition of PM2.5 was studied in two scenarios, namely in sugar-cane harvesting (HV) and in non-harvesting (NHV) seasons. The sampling strategy included one campaign in each season. PM2.5 was collected using a dichotomous sampler (10 L·min-1, 24 h) with PTFE filters. Information concerning the bulk elemental concentration was provided by energy-dispersive X-ray fluorescence. Enrichment factor analysis indicated that S, Cl, K, Cr, Ni, Cu, Zn, As, Cd and Pb were highly enriched relative to their crustal ratios (to Al). Principal component analysis was used to get some insight about the sources of the elements. Principal component 1 (PC1) explained 30.5% of data variance. The elements that had high loading (>0.7) were: S, Cr, As, and Pb; these are associated with combustion of fossil fuels. In principal component 2 (PC2), Cl, Cu, Zn, and Cd showed high loadings; these elements are associated with biomass burning. The Ni concentration found is three times larger than the threshold of risk for lung cancer, as recommended by the World Health Organization.
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Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos (down) Publication Date 2015-05-04
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 2152-2197 ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:125885 Serial 7891
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Author Van Grieken, R.; Van 't dack, L.; Costa Dantas, C.; Moura de Amorim, W.; Maenhaut, W.
Title Elemental constituents of atmospheric aerosols in Recife, North-East Brazil Type A3 Journal article
Year 1982 Publication Environmental pollution: series B : chemical and physical Abbreviated Journal
Volume 4 Issue 2 Pages 143-163
Keywords A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Abstract Few data are available on the inorganic atmospheric pollution in the rapidly expanding cities of South America, like Recife, on the Atlantic Coast of North-east Brazil. Therefore, the elemental composition of atmospheric aerosols was investigated for nine sites in the Recife conurbation and a fairly remote site in the area. Total aerosol samples were collected on cellulose filters for analysis by energy dispersive X-ray fluorescence and cascade impactors were used to collect the aerosols as a function of particle size for subsequent analysis by proton-induced X-ray emission. Local soil aliquots were also analysed. About eighteen elements were quantified in all cases. The average total atmospheric concentrations appeared to be well above natural levels but usually lower than, or comparable with, those of North American and European cities. Dispersal of sea spray and of local soil (often contaminated with, for example, Cu, Zn and Pb from industrial sources) contributes predominantly to the total atmospheric load in Recife. However, the particle size fraction results also indicated strong excesses in the small particle mode for S, K, V, Mn, Ni, Cu, Zn, Br and Pb, mainly in the downtown area. Again, the corresponding enrichment factors were only moderate in comparison with other published urban data.
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Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos (down) Publication Date 2003-09-11
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0143-148x; 1878-0695 ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:111437 Serial 7894
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Author Muia, L.M.; Van Grieken, R.
Title Energy-dispersive X-ray fluorescence analysis of geological materials in borax beads using Tertian's binary coefficient approach combined with internal standard addition Type A1 Journal article
Year 1991 Publication X-ray spectrometry Abbreviated Journal
Volume 20 Issue Pages 179-183
Keywords A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Abstract
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Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0049-8246 ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:662 Serial 7903
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Author Van Grieken, R.; Robberecht, H.; Shani, J.; Van Dyck, P.; Vos, L.
Title Energy-dispersive X-ray fluorescence for direct trace analysis of biomedical and environmental samples Type H3 Book chapter
Year 1982 Publication Abbreviated Journal
Volume Issue Pages 159-178 T2 - X-ray fluorescence (XRF and PIXE) in
Keywords H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Abstract
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Series Editor Series Title Abbreviated Series Title
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ISSN ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:117485 Serial 7904
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Author Vanderborght, B.; Van Grieken, R.
Title Energy-dispersive X-ray fluorescence for trace metals analysis of water Type H3 Book chapter
Year 1975 Publication Abbreviated Journal
Volume Issue Pages 1-9 T2 - Nuclear techniques in environmental resea
Keywords H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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Series Editor Series Title Abbreviated Series Title
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ISSN ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:117461 Serial 7905
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Author Van Grieken, R.; Markowicz, A.; Török, S.
Title Energy-dispersive X-ray spectrometry : present state and trends Type A3 Journal article
Year 1986 Publication Fresenius' Zeitschrift für analytische Chemie Abbreviated Journal
Volume 324 Issue 8 Pages 825-831
Keywords A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Abstract Recent development, present state and expected future developments in energy-dispersive X-ray spectrometry are discussed. Attention is paid to the improvements in analytical selectivity, sensitivity, detection limit, quantitative character and applicability range, which are the result of new or better excitation sources, detectors, instrument design, automation, computer software and theoretical developments.
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Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos (down) Publication Date 2004-11-15
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0016-1152 ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:116642 Serial 7907
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Author Vanderborght, B.M.; Van Grieken, R.E.
Title Enrichment of trace metals in water by adsorption on activated carbon Type A1 Journal article
Year 1977 Publication Analytical chemistry Abbreviated Journal
Volume 49 Issue 2 Pages 311-316
Keywords A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Abstract
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Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0003-2700; 5206-882x ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:116513 Serial 7923
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Author Van Grieken, R.; Bresseleers, K.; Smits, J.; Vanderborght, B.; Vanderstappen, M.
Title Enrichment procedures for water analysis by X-ray energy spectrometry Type P3 Proceeding
Year 1976 Publication Abbreviated Journal
Volume Issue Pages
Keywords P3 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:113634 Serial 7924
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Author Xhoffer, C.; Van Grieken, R.
Title Environmental aerosol characterization by single particle analysis techniques Type H3 Book chapter
Year 1993 Publication Abbreviated Journal
Volume Issue Pages 207-245 T2 - Environmental particles; 2 / Buffle,
Keywords H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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ISSN ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:6267 Serial 7926
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Author Delalieux, F.; Cardell, C.; Todorov, V.; Dekov, V.; Van Grieken, R.
Title Environmental conditions controlling the chemical weathering of the Madara Horseman monument, NE Bulgaria Type A1 Journal article
Year 2001 Publication Journal of cultural heritage Abbreviated Journal
Volume 2 Issue Pages 43-54
Keywords A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Abstract
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Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1296-2074 ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:32822 Serial 7927
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Author Jambers, W.; Van Grieken, R.E.
Title Environmental problems Type H3 Book chapter
Year 1997 Publication Abbreviated Journal
Volume Issue Pages 803-819 T2 - Handbook of microscopy: applications
Keywords H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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ISSN ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:18789 Serial 7929
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Author Vazquez, C.; Boeykens, S.; Palacios, O.; Caracciolo, N.; Kontozova-Deutsch, V.; Krupińska, B.; Van Grieken, R.
Title Estudio de la contaminacion del aire urbano en cuatro museos de Argentina Type H3 Book chapter
Year 2013 Publication Abbreviated Journal
Volume Issue Pages 271-282 T2 - Patrimonio cultural : la gestion, el
Keywords H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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Series Editor Series Title Abbreviated Series Title
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ISSN ISBN 978-987-1323-31-9 Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:110908 Serial 7936
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Author Visser, W.J.; Van de Vyver, F.L.; Verbueken, A.H.; d'Haese, P.; Bekaert, A.B.; Van Grieken, R.E.; Duursma, S.A.; de Broe, M.E.
Title Evaluation of different techniques used to determine aluminium in patients with chronic renal failure Type P3 Proceeding
Year 1985 Publication Abbreviated Journal
Volume Issue Pages
Keywords P3 Proceeding; Pathophysiology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Laboratory Experimental Medicine and Pediatrics (LEMP)
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ISSN ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:117496 Serial 7938
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Author Janssens, K.; Alfeld, M.; Van der Snickt, G.; De Nolf, W.; Vanmeert, F.; Monico, L.; Legrand, S.; Dik, J.; Cotte, M.; Falkenberg, G.; van der Loeff, L.; Leeuwestein, M.; Hendriks, E.
Title Examination of Vincent van Gogh's paintings and pigments by means of state-of-the-art analytical methods Type H2 Book chapter
Year 2014 Publication Abbreviated Journal
Volume Issue Pages 373-403 T2 - Science and art : the painted surface
Keywords H2 Book chapter; Art; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Abstract Recent studies in which X-ray beams of macroscopic to (sub) microscopic dimensions were used for non-destructive analysis and characterization of pigments, paint micro samples and/or entire paintings by Vincent van Gogh are concisely reviewed. The overview presented encompasses the use of laboratory and synchrotron radiation-based instrumentation and deals with the use of several variants of X-ray fluorescence (XRF) as a method of elemental analysis and imaging as well as with the combined use of X-ray diffraction (XRD) and X-ray absorption spectroscopy (XAS). Microscopic and macroscopic XRF are variants of the method that are well suited to visualize the elemental distribution of key elements, mostly metals, present in paint multi layers, either on the length scale from 1–100 μm inside micro samples taken from paintings or on the 1–100 cm length scale when the (subsurface) distribution of specific pigments in entire paintings is concerned. In the context of the characterization of van Gogh's pigments subject to natural degradation, the use of methods limited to elemental analysis or imaging usually is not sufficient to elucidate the chemical transformations that have taken place. However, at synchrotron facilities, combinations of μ-XRF with related methods such as μ-XAS and μ-XRD have proven themselves to be very suitable for such studies. Their use is often combined with microscopic Fourier transform infra-red (μ-FTIR) spectroscopy since this method delivers complementary information at more or less the same length scale as the X-ray microprobe techniques. Also in the context of macroscopic imaging of works of art, the complementary use of X-ray based and infra-red based imaging appears very promising; some recent developments are discussed.
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Language Wos (down) Publication Date 2020-02-24
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN ISBN 978-1-84973-818-7 Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:190782 Serial 7943
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Author Santer, R.; Schadkowski, C.; Blanchet, A.; Saison, J.-Y.; Poinsot, C.; Ramon, D.; Roekens, E.; Verlinden, L.; Van Grieken, R.; Stranger, M.; Mees, J.
Title Expositions des populations vivant au cœur de l'Euro-région auz polluants atmosphériques: le cas des poussières fines = Blootstelling van de bevolkingsgroepen wonend in het hart van de Euregio aan polluerende atmosferische deeltjes: het geval van de fijne stofdeeltjes Type Minutes and reports
Year 2005 Publication Abbreviated Journal
Volume Issue Pages
Keywords Minutes and reports; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:56167 Serial 7952
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Author Struyf, H.; van Roy, W.; Van Vaeck, L.; Van Grieken, R.; Caravatti, P.
Title The feasibility of Fourier transform laser microprobe mass spectrometry for applications of local and surface analysis Type P3 Proceeding
Year 1994 Publication Proceedings of the European FTMS Workshop Abbreviated Journal
Volume Issue Pages
Keywords P3 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:9520 Serial 7961
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Author Van Grieken, R.; Stranger, M.
Title Fijn stof en pollutiegassen in de binnenlucht Type A2 Journal article
Year 2006 Publication ARGUS milieumagazine Abbreviated Journal
Volume 4 Issue 2 Pages 18
Keywords A2 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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Series Editor Series Title Abbreviated Series Title
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ISSN 1379-4957 ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:58863 Serial 7967
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Author Van Grieken, R.; Adams, F.
Title Filter absorption correction for X-ray fluorescence analysis of aerosol loaded filters Type P3 Proceeding
Year 1976 Publication Abbreviated Journal
Volume Issue Pages
Keywords P3 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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ISSN ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:113635 Serial 7968
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Author Van Grieken, R.; Injuk, J.; Otten, P.; Rojas, C.; van Malderen, H.; Laane, R.
Title Fluxes and sources of heavy metal inputs into the Southern Bight of the North Sea Type H3 Book chapter
Year 1992 Publication Abbreviated Journal
Volume Issue Pages 184-193 T2 - Industrial air pollution: assessment
Keywords H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Abstract
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Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:2859 Serial 7975
Permanent link to this record
 

 
Author Van Grieken, R.; Eyckmans, K.
Title Geen vuiltje aan de Noordzeelucht: aërosolen kennen geen grenzen Type P3 Proceeding
Year 2001 Publication Abbreviated Journal
Volume Issue Pages
Keywords P3 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Abstract
Address
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Series Editor Series Title Abbreviated Series Title
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ISSN ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:36094 Serial 7990
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Author Van Grieken, R.; Speecke, A.; Hoste, J.
Title Geometry errors in 14 MeV neutron activation analysis Type A3 Journal article
Year 1973 Publication Journal of radioanalytical chemistry Abbreviated Journal
Volume 13 Issue 1 Pages 225-233
Keywords A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Abstract The effects of inaccurate sample sizes and sample positioning on 14 MeV neutron activation analysis results are estimated for 30, 20 and 10 mm diameter targets. It appears that axial positioning is the most critical parameter and that using a larger tritium target will yield an overall improvement of the reproducibility.
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Publisher Place of Publication Editor
Language Wos (down) Publication Date 2006-10-11
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0134-0719; 2064-2857 ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:116453 Serial 7999
Permanent link to this record
 

 
Author Mabesoone, J.M.; Duarte, P.J.; Van Grieken, R.; Delgao, A.; Freire, E.M.P.
Title Geoquimica dos microclasticos da Bacio do Parnaiba Type H3 Book chapter
Year 1985 Publication Abbreviated Journal
Volume Issue Pages 30-31 T2 - Fanerozoico Nordestino : serie D
Keywords H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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ISSN ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:117502 Serial 8001
Permanent link to this record
 

 
Author Roekens, E.; Van Grieken, R.
Title Gevolgen van luchtverontreiniging op historische gebouwen Type A2 Journal article
Year 1987 Publication Ons erfdeel Abbreviated Journal
Volume 30 Issue 2 Pages 361-366
Keywords A2 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0030-2651 ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:116776 Serial 8003
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Author Van Schandevijl, R.; Van Grieken, R.; Hoste, J.
Title The half-life of 28Al Type A3 Journal article
Year 1971 Publication Journal of radioanalytical chemistry Abbreviated Journal
Volume 9 Issue 1 Pages 55-60
Keywords A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Abstract The half-life of28Al was redetermined on aluminium samples of different origin. Three different counting techniques were applied. The availability of highly purified samples (up to 99.9999%), the use of very fast electronic counting equipment and a complete automatisation allowed a good precision to be obtained in the final result of 2.2405 min.
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Publisher Place of Publication Editor
Language Wos (down) Publication Date 2006-10-11
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0134-0719; 2064-2857 ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:116451 Serial 8016
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Author Van Grieken, R.E.; Markowicz, A.A.
Title Handbook of X-ray spectrometry Type ME2 Book as editor or co-editor
Year 2002 Publication Abbreviated Journal
Volume Issue Pages 1016 p.
Keywords ME2 Book as editor or co-editor; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition 2 ed.
ISSN ISBN 0-8247-0600-5 Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:36390 Serial 8017
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Author Ravindra, K.; Mittal, A.K.; Van Grieken, R.
Title Health risk assessment of urban suspended particulate matter with special reference to polycyclic aromatic hydrocarbons: a review Type A3 Journal article
Year 2001 Publication Reviews on environmnetal health Abbreviated Journal
Volume 16 Issue 3 Pages 169-189
Keywords A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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Notes Approved no
Call Number UA @ admin @ c:irua:36128 Serial 8019
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Author Ramesh, R.; Subramanian, V.; Van Grieken, R.
Title Heavy metal distribution in sediments of Krishna River basin, India Type A1 Journal article
Year 1990 Publication Environmental geology and water sciences Abbreviated Journal
Volume 15 Issue Pages 207-216
Keywords A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Abstract
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Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0177-5146 ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:116933 Serial 8022
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Author Biksham, G.; Subramanian, V.; Ramanathan, A.; Van Grieken, R.
Title Heavy metal distribution in the Godavari river basin Type A1 Journal article
Year 1991 Publication Environmental geology and water sciences Abbreviated Journal
Volume 17 Issue Pages 117-126
Keywords A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Abstract
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Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0177-5146 ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:55571 Serial 8023
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Author Vanmeert, F.
Title Highly specific X-ray powder diffraction imaging at the macroscopic and microscopic scale Type Doctoral thesis
Year 2019 Publication Abbreviated Journal
Volume Issue Pages
Keywords Doctoral thesis; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Abstract At or below the surface of painted works of art, valuable information is present that provides insights into an object’s past, such as the artist’s technique and the creative process that was followed or its conservation history, but also on its current state of preservation. Typically, a (very) limited set of small paint samples is taken which provide direct access to the individual paint layers. The chemical build-up of these layers can then be investigated in great detail using various microscopic analytical methods. However, in recent years a new trend towards both elemental and chemical imaging techniques has been set which are capable of visualizing the (often) heterogeneous composition of painted objects on a macroscopic scale. In this dissertation, various forms of specificity attainable with X‑ray powder diffraction (XRPD) imaging are explored: at the chemical, material and spatial level. This high specificity is illustrated throughout several applications stemming from the field of cultural heritage, both at the macroscopic (MA) and microscopic (µ) scale. As a first step, XRPD imaging was transformed to a transportable instrument that can be employed for the in situ investigation of artworks, e.g., inside museums and conservation workshops. With this unique instrument large‑scale maps (cm2 – dm2) reflecting the distribution of crystalline phases on/below the surface of flat painted artefacts can be visualized in a noninvasive manner. In this way compound-specific information was attained which can be related to original pigments or materials that have been added in a later stage and even degradation/secondary products that have formed spontaneously inside the paint layers. Additionally, with MA‑XRPD imaging it was possible to link quantitative information of pigment compositions and preferred orientation effects to the 2D compound‑specific distribution images, allowing for a further distinction between very similar artists’ materials. Furthermore, promising results for the limited depth-selectivity of this technique, obtained by exploiting the small shift in the position of the diffraction signals originating from the layered sequence of the pigments, are shown. Finally, a minute paint sample from Wheat stack under a cloudy sky by Van Gogh was investigated at a synchrotron radiation facility with tomographic µ‑XRPD imaging at the microscopic scale. The high chemical and spatial specificity of this imaging method was exploited to further elucidate the degradation pathway of the red lead pigment.
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Series Volume Series Issue Edition
ISSN ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:159805 Serial 8043
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