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  • Title: [Identification of toxic metals after extraction and thin-layer chromatograpy of their dithizonates. Toxicological applications (author's transl)].
    Author: Baudot P, Monal JL, Livertoux MH, Truhaut R.
    Journal: J Chromatogr; 1976 Nov 17; 128(1):141-7. PubMed ID: 993292.
    Abstract:
    The technique consists in employing successively an extraction method using the dithizone-carbon tetrachloride system, at 4 different pH values, then thin-layer chromatography on silica gel, to identify and separate Ag, Cd, Co, Cu, Hg, Ni, Pb, and Zn in the form of their dithizonates. Sensitivity is of the order of 10(-7) g ion/l. This method is directly applicable in hydrology; after destruction of organic matter in the case of biological samples (blood, urine, excrement). We have applied it in toxicological analysis together with other methods for the detection of copper, lead, mercury and zinc in cases of poisoning.
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