Spectrophotometric determination of noble metals with tin(II) in bromide solutions |
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Authors: | Francesco Pantani Giovanni Piccardi |
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Institution: | Institute of Analytical Chemistry, University of Florence Italy |
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Abstract: | In presence of tin(II) bromide, noble metals give coloured products which are suitable for spcctrophotometric determinations. The colours are red (platinum), yellow-orange (rhodium), yellow-brown (palladium), yellow (iridium) and violet (gold) They are extracted, except for gold, with isoamyl alcohol Platinum, rhodium and palladium can be separated from irdium, and rhodium and platinum from palladium. Rhodium and platinum can be determined simultaneously. |
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