Separation and Preconcentration of Gold,Silver and Palladium from Some Aluminum and Manganese Salts on Activated Carbon Column

摘要

A simple method for preconcentration and separation of trace amounts of gold,silver,palladium in some aluminium and manganese salts was established by using mini column filled activated carbon prior to their atomic absorption spectrometric determinations.The dithiophosphoric acid O,O-diethyl ester complexes of the analyte ions were adsorbed on the activated carbon column and desorbed with 2M NH_3 in acetone.The effects of aluminium and manganese ions as interferent were discussed.The method was successfully applied for the determinatio of Au,Ag and d contents of some aluminium and manganese salts (recoveries >95%,relative standard deviations <10%).