Speciation of waste water sediments |
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| Authors: | Gy Heltai K Percsich I Fekete B Barabs T Jzsa |
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| Institution: | Gy. Heltai, K. Percsich, I. Fekete, B. Barabás,T. Józsa |
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| Abstract: | A sequential extraction procedure for waste water sediments was elaborated based on CO2 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. |
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| Keywords: | Speciation analysis Sequential extraction Supercritical extraction Waste water sediment Elemental species |
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