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Chemical speciation studies on DU contaminated soils using flow field flow fractionation linked to inductively coupled plasma mass spectrometry (FlFFF-ICP-MS)

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Back cover

Journal of Environmental Monitoring Vol - 14 Issue - 2

Journal of Environmental Monitoring Vol -9

Journal of Environmental Monitoring Vol -8

Journal of Environmental Monitoring Vol -7

Journal of Environmental Monitoring Vol -6

Journal of Environmental Monitoring Vol -5

Journal of Environmental Monitoring Vol -4

Journal of Environmental Monitoring Vol -3

Journal of Environmental Monitoring Vol -2

Chemical speciation studies on DU contaminated soils using flow field flow fractionation linked to inductively coupled plasma mass spectrometry (FlFFF-ICP-MS)

Content Provider	Royal Society of Chemistry (RSC)
Author	Tomos, A. D. Cox, A. G. Siripinyanond, A. McLeod, C. W. Brittain, S. R. Paterson, E.
Copyright Year	2012
Abstract	Flow field flow fractionation (FlFFF) in combination with inductively coupled plasma mass spectrometry (ICP-MS) was used to study the chemical speciation of U and trace metals in depleted uranium (DU) contaminated soils. A chemical extraction procedure using sodium pyrophosphate, followed by isolation of humic and fulvic substances was applied to two dissimilar DU contaminated sample types (a sandy soil and a clay-rich soil), in addition to a control soil. The sodium pyrophosphate fractions of the firing range soils (Eskmeals and Kirkcudbright) were found to contain over 50% of the total U (measured after aqua regiadigestion), compared to approximately 10% for the control soil. This implies that the soils from the contaminated sites contained a large proportion of the U within more easily mobile soil fractions. Humic and fulvic acid fractions each gave characteristic peak maxima for analytes of interest (Mn, Fe, Cu, Zn, Pb and U), with the fulvic acid fraction eluting at a smaller diameter (approximately 2.1 nm on average) than the humic fraction (approximately 2.4 nm on average). DU in the fulvic acid fraction gave a bimodal peak, not apparent for other trace elements investigated, including natural U. This implies that DU interacts with the fulvic acid fraction in a different way to all other elements studied.
Starting Page	782
Ending Page	790
Page Count	9
File Format	HTM / HTML PDF
ISSN	14640325
Volume Number	14
Issue Number	3
Journal	Journal of Environmental Monitoring
DOI	10.1039/c2em10716c
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Cu Field flow fractionation Inductively coupled plasma mass spectrometry Speciation Depleted uranium Tetrasodium pyrophosphate Humic acid Kirkcudbright Acid Lead
Content Type	Text
Resource Type	Article
Subject	Public Health, Environmental and Occupational Health Management, Monitoring, Policy and Law

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