Pitfalls of sequential extractions

An increasing number of researchers are using sequential extractions to determine the speciation of trace elements in sediments. Unfortunately, sequential extraction methods have not been successfully validated. The results are simply taken as providing “operational definitions” of the phases one is...

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Bibliographic Details
Published in:Water research (Oxford) 1990, Vol.24 (8), p.1055-1056
Main Authors: Nirel, P.M.V., Morel, F.M.M.
Format: Article
Language:English
Subjects:
Analytical chemistry
Chemistry
Exact sciences and technology
Miscellaneous
radionuclides
sediments
sequential extraction
speciation
trace elements
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Summary:An increasing number of researchers are using sequential extractions to determine the speciation of trace elements in sediments. Unfortunately, sequential extraction methods have not been successfully validated. The results are simply taken as providing “operational definitions” of the phases one is trying to measure. A more rigorous approach is required to gain insight into the geochemistry of trace elements or their bioavailability.
ISSN:0043-1354
1879-2448
DOI:10.1016/0043-1354(90)90129-T