Plasticized open-cell polyurethane foam as a universal matrix for organic reagents in trace element preconcentration : Part II. Collection of mercury traces on dithizone and diethyldithiocarbamate foams
作者： T. Braun , A.B. Farag
DOI: 10.1016/S0003-2670(01)82878-6
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摘要: The analytical suitability of zinc dithizonate foam for the collection and preconcentration traces mercury(II) has been examined. effect pH, plasticizer chelating agent concentration on rate mercury critically investigated. capacity a TBP-plasticized at pH 6 is 23.4 μeq g−1. recovery with sodium thiosulphate solution also discussed. preparation diethyldithiocarbonate described. Traces can be collected rapidly quantitavely by this foam.
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