Abstract
A method for the synthesis of chromeayurol-s (CA-S) chelate forming resin and the determination of traces of gold and palladium in geological samples is presented. Experiments have shown that gold and palladium in solution are enriched on chromeayurol-s chelate forming resin column in pH 1 hydrochloric acid without adsorpting other base metal irons, and are eluted with 3% acidic thiourea. The eluate is determined directly by flame atomic absorption spectrometry. Operating parametersare studied in detail. The relative standard deviations ( n= 6) of gold and palladium are 8.50 and 7.24%.
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