Speciation of waste water sediments

A sequential extraction procedure for waste water sediments was elaborated based on CO 2 and water extractants using supercritical fluid extraction instrumentation. The procedure gives information on water-soluble, carbonate-bound and mobile organic-bound trace metal fractions. The chemical interpre...

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Bibliographic Details
Published in:Microchemical journal 2000-12, Vol.67 (1), p.43-51
Main Authors: Heltai, Gy, Percsich, K, Fekete, I, Barabás, B, Józsa, T
Format: Article
Language:English
Subjects:
Analysis methods
Analytical chemistry
Applied sciences
Chemistry
Elemental species
Exact sciences and technology
Pollution
Sequential extraction
Soil and sediments pollution
Speciation analysis
Spectrometric and optical methods
Supercritical extraction
Waste water sediment
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Summary:A sequential extraction procedure for waste water sediments was elaborated based on CO 2 and water extractants using supercritical fluid extraction instrumentation. The procedure gives information on water-soluble, carbonate-bound and mobile organic-bound trace metal fractions. The chemical interpretation of this procedure is comparable with the BCR recommended three-stage sequential extraction. The validation of the proposed procedure requires more detailed investigations.
ISSN:0026-265X
1095-9149
DOI:10.1016/S0026-265X(00)00095-3