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  • Optimization of extraction procedure for determination of total water-soluble chromium and chromium(VI) in various soils
    Kožuh Eržen, Nevenka ...
    The parameters influencing the extraction efficiency of total water-soluble chromium and chromium(VI) in clay, peat and sandy soils were investigated. Water and a K▫$H_2PO_4▫$ solution (0.0015 mol ... d▫$m^{-3}▫$) were used as extractants. Samples were ultrasonicated or shaken in classical shakers. Variations of solution volume-to-soil weight ratio, and of shaking time were studied in order to develop the optimal extraction procedure for the determination of total water-soluble chromium and chromium(VI). Soil samples treated with tannery waste continuously for 17 years and soils freshly contaminated with the same waste were studied.
    Vir: International journal of environmental analytical chemistry. - ISSN 0306-7319 (Vol. 56, No. 3, 1994, str. 207-217)
    Vrsta gradiva - članek, sestavni del
    Leto - 1994
    Jezik - angleški
    COBISS.SI-ID - 17903109

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