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Records |
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Author |
Dekov, V.; Subramanian, V.; Van Grieken, R. |
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Title |
Chemical composition of riverine suspended matter and sediments from the Indian sub-continent |
Type |
A3 Journal article |
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Year |
1999 |
Publication |
Mitteilungen aus dem Geologisch-Paläontologischen Institut der Universität Hamburg |
Abbreviated Journal |
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Volume |
82 |
Issue |
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Pages |
99-109 |
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Keywords |
A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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ISSN |
0072-1115 |
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Open Access |
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no |
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Call Number |
UA @ admin @ c:irua:24722 |
Serial |
7655 |
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Author |
Dekov, V.M.; Araujo, F.; Van Grieken, R.; Subramanian, V. |
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Title |
Chemical composition of sediments and suspended matter from the Cauvery and Brahmaputra rivers (India) |
Type |
A1 Journal article |
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Year |
1998 |
Publication |
The science of the total environment |
Abbreviated Journal |
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Volume |
212 |
Issue |
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Pages |
89-105 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Wos |
000073203500001 |
Publication Date |
2002-07-26 |
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Edition |
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ISSN |
0048-9697; 1879-1026 |
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UA library record; WoS full record; WoS citing articles |
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no |
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Call Number |
UA @ admin @ c:irua:20962 |
Serial |
7656 |
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Author |
Dekov, V.M.; Araujo, F.; Van Grieken, R.; Subramanian, V. |
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Title |
Chemical composition of sediments and suspended matter from the Cauvery and Brahmaputra rivers (India) |
Type |
A1 Journal article |
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Year |
1997 |
Publication |
The science of the total environment |
Abbreviated Journal |
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Volume |
203 |
Issue |
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Pages |
51-53 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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ISSN |
0048-9697; 1879-1026 |
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UA library record |
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Open Access |
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Call Number |
UA @ admin @ c:irua:18787 |
Serial |
7657 |
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Author |
Dekov, V.M.; Komy, Z.; Araujo, F.; van Put, A.; Van Grieken, R. |
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Title |
Chemical composition of sediments, suspended matter, river and ground water of the Nile (Aswan-Sohag transvers) |
Type |
A1 Journal article |
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Year |
1997 |
Publication |
The science of the total environment |
Abbreviated Journal |
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Volume |
201 |
Issue |
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Pages |
195-210 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Wos |
A1997XL69100003 |
Publication Date |
2002-07-25 |
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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 |
0048-9697; 1879-1026 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
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Open Access |
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no |
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Call Number |
UA @ admin @ c:irua:18781 |
Serial |
7658 |
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Permanent link to this record |
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Author |
Dekov, V.M.; Subramanian, V.; Van Grieken, R. |
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Title |
Chemical composition of suspended matter and sediments from the Indian sub-continent: a fifteen-year research survey |
Type |
H3 Book chapter |
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Year |
1998 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
81-92
T2 - Recent trends in environmental biogeoch |
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Keywords |
H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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UA library record |
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Call Number |
UA @ admin @ c:irua:22778 |
Serial |
7659 |
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Author |
Delalieux, F.; Cardell, C.; Todorov, V.; Dekov, V.; Van Grieken, R. |
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Title |
Environmental conditions controlling the chemical weathering of the Madara Horseman monument, NE Bulgaria |
Type |
A1 Journal article |
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Year |
2001 |
Publication |
Journal of cultural heritage |
Abbreviated Journal |
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Volume |
2 |
Issue |
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Pages |
43-54 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
1296-2074 |
ISBN |
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Additional Links |
UA library record |
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Open Access |
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no |
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Call Number |
UA @ admin @ c:irua:32822 |
Serial |
7927 |
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Author |
de Maeyer-Worobiec, A.; Dekov, V.M.; Laane, R.W.P.M.; Van Grieken, R. |
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Title |
EPXMA survey of shelf sediments (Southern Bight, North Sea): a glance beyond the XRD-invisible |
Type |
A1 Journal article |
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Year |
2009 |
Publication |
Microchemical journal |
Abbreviated Journal |
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Volume |
91 |
Issue |
1 |
Pages |
21-31 |
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Keywords |
A1 Journal article; Laboratory Experimental Medicine and Pediatrics (LEMP); AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
Shelf sediments of the southern North Sea, were studied with a microanalytical [electron probe X-ray microanalysis (EPXMA)] and two bulk [X-ray diffraction (XRD) and X-ray fluorescence (XRF)] techniques. The investigation proved that the promptness of the microanalytical method is combined with a reasonable analytical reliability. XRD studies of such a type of sediments with monotonous mineral composition are not able to provide mineralogical information beyond the main well-crystalline minerals and the mineralogical quantitative characteristic of the sediment based on XRD estimations are incorrect. The EPXMA mineralogical interpretations are based on the statistical evaluation of a huge data set (thousands of mineral particles) and provide a rather correct quantitative determination of the main minerals. The comparative EPXMAXRF study revealed that the Al, Si, K, Ca, Fe and to some extent Ti contents estimated by EPXMA are fairly reliable. In this respect the accuracy of the EPXMA-based mineral identification of the pure silicates, pure aluminosilicates, and Al-, Ca-, Fe- and Ti-containing minerals with simple composition is very high. Mg-calcite, augite and apatite determinations are assessed to be correct. The supposed accuracy of the clay mineral determinations is slightly lower (7080%) than that of the other main minerals due to the complex and varying composition of the clays. The identification of XRD-invisible accessory minerals and quantification of their presence in the sediments is an essential advantage of the EPXMA, which makes it a useful approach in tracing the origin of the sediments, the pathways of their transport and the geochemical processes they have undergone. However, the EPXMA has several flaws, which need to be solved in the future sediment investigations: (1) calibration with natural standards is needed in order to provide a higher accuracy of the mineral determinations; (2) any EPXMA study of sediments needs to be secured with XRF examinations of selected samples since EPXMA gives only semi-quantitative information about the abundance of the elements; (3) ultra-thin window EPXMA of low-Z elements has to be used since some of them (O, C) are always present in the main sediment components: silicates, aluminosilicates, carbonates and metal oxyhydroxides; (4) the interpretations of the clay fraction have to be supported with detailed XRD investigations of selected samples, while the mineralogy of the silt and sand fractions needs to be backed up with optical microscopy studies. The information from different analytical techniques (EPXMA with XRFXRD-optical microscopy of selected samples) combined with the knowledge about the most possible minerals in a given environment, would give the most reliable results in studying mineralogical composition of shelf sediments. |
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Wos |
000262963300006 |
Publication Date |
2008-07-14 |
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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 |
0026-265x; 0026-265x |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
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Call Number |
UA @ admin @ c:irua:71604 |
Serial |
7933 |
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Permanent link to this record |
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Author |
Dekov, V.M.; Vanlierde, E.; Billström, K.; Gatto Rotondo, G.; van Meel, K.; Darchuk, L.; Van Grieken, R.; et al. |
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Title |
Ferrihydrite precipitation in groundwater-fed river systems (Nete and Demer river basins, Belgium) : insights from a combined Fe-Zn-Sr-Nd-Pb-isotope study |
Type |
A1 Journal article |
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Year |
2014 |
Publication |
Chemical geology |
Abbreviated Journal |
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Volume |
386 |
Issue |
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Pages |
1-15 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
Two groundwater-fed river systems (Nete and Demer, Belgium) carry red suspended material that settles on the river bed forming red sediments. The local aquifer that feeds these river systems is a glauconite-rich sand, which provides most of the dissolved Fe to the rivers. The solid component of these systems, i.e., the red suspended material and sediments, has a simple mineralogy (predominantly ferrihydrite), but shows a complex geochemistry pointing out the different processes contributing to the river chemistry: (1) the red sediments have higher transition metal (excluding Cu) and detrital element (e.g., Si, Al, K, Rb, etc.) concentrations than the red suspended matter because of their longer residence time in the river and higher contribution of the background (aquifer) component, respectively; (2) the red suspended material and sediments have inherited their rare earth element (REE) patterns from the aquifer; (3) the origin of Sr present in the red suspended matter and red sediments is predominantly marine (i.e., Quaternary calcareous rocks), but a small amount is geogenic (i.e., from detrital rocks); (4) Pb in both solids originates mostly from anthropogenic and geogenic sources; (5) all of the anthropogenic Pb in the red suspended material and sediments is hosted by the ferrihydrite; (6) Nd budget of the red riverine samples is controlled by the geogenic source and shows little anthropogenic component; (7) the significant Fe- and Zn-isotope fractionations are in line with the previous studies. Their fractionation patterns do not correlate, suggesting that the processes controlling the isotope geochemistry of Fe and Zn are different: oxidation/reduction most likely governs the Fe-isotope fractionation, whereas adsorption/desorption or admixing of anthropogenic sources controls the isotope fractionation of Zn. |
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000345441000001 |
Publication Date |
2014-08-08 |
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Edition |
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ISSN |
0009-2541 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Open Access |
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Approved |
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Call Number |
UA @ admin @ c:irua:118323 |
Serial |
7962 |
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Permanent link to this record |
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Author |
Facetti, J.; Dekov, V.M.; Van Grieken, R. |
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Title |
Heavy metals in sediments from the Paraguay river: a preliminary study |
Type |
A1 Journal article |
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Year |
1998 |
Publication |
The science of the total environment |
Abbreviated Journal |
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Volume |
209 |
Issue |
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Pages |
79-86 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Wos |
000072368900008 |
Publication Date |
2002-07-26 |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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ISSN |
0048-9697; 1879-1026 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Open Access |
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Call Number |
UA @ admin @ c:irua:20961 |
Serial |
8025 |
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Author |
Dekov, V.; van Alsenoy, V.; Onar, N.; van Put, A.; Van Grieken, R. |
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Title |
Partitioning of heavy metals between estuarine sediments and dissolved phase as a function of salinity, pH and time (Scheldt estuary) |
Type |
A1 Journal article |
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Year |
2001 |
Publication |
Geologica Balcanica |
Abbreviated Journal |
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Volume |
30 |
Issue |
3/4 |
Pages |
65-76 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Edition |
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ISSN |
0324-0894 |
ISBN |
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UA library record |
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Open Access |
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Notes |
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Approved |
no |
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Call Number |
UA @ admin @ c:irua:36086 |
Serial |
8362 |
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Permanent link to this record |
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Author |
Dekov, V.M.; van Put, A.; Eisma, D.; Van Grieken, R. |
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Title |
Single particle analysis of suspended matter in the Makasar Strait and Flores Sea with particular reference to tin-bearing particles |
Type |
A1 Journal article |
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Year |
1999 |
Publication |
Journal of sea research |
Abbreviated Journal |
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Volume |
41 |
Issue |
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Pages |
35-53 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
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Wos |
000079367500004 |
Publication Date |
2002-07-25 |
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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 |
1385-1101 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Open Access |
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Call Number |
UA @ admin @ c:irua:23183 |
Serial |
8533 |
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Permanent link to this record |
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Author |
Jambers, W.; Dekov, V.; Van Grieken, R. |
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Title |
Single particle and inorganic characterization of rainwater collected above the North Sea |
Type |
A1 Journal article |
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Year |
2000 |
Publication |
The science of the total environment |
Abbreviated Journal |
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Volume |
256 |
Issue |
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Pages |
133-150 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
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Wos |
000088065200006 |
Publication Date |
2002-07-25 |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0048-9697; 1879-1026 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
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Call Number |
UA @ admin @ c:irua:31673 |
Serial |
8535 |
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Permanent link to this record |
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Author |
Jambers, W.; Dekov, V.; Van Grieken, R. |
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Title |
Single particle characterisation of inorganic and organic North Sea suspension |
Type |
A1 Journal article |
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Year |
1999 |
Publication |
Marine chemistry |
Abbreviated Journal |
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Volume |
67 |
Issue |
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Pages |
17-32 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
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Corporate Author |
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Publisher |
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Language |
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Wos |
000082709500002 |
Publication Date |
2002-07-25 |
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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 |
0304-4203; 1872-7581 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
no |
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Call Number |
UA @ admin @ c:irua:27581 |
Serial |
8536 |
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Permanent link to this record |