SYNTHESIS AND CHARACTERIZATION OF A MACROPOROUS POLY(VINYL-AMINOACETONE) CHELATING RESIN FOR THE PRECONCENTRATION AND SEPARATION OF TRACES OF GOLD, PALLADIUM, RHODIUM AND RUTHENIUM

An inductively coupled plasma atomic-emission spectrometry (ICP-AES) procedure is established with a new macroporous poly(vinyl-aminoacetone) chelating resin (PVAA) for preconcentration and separation of traces of Au(III), Pd(IV), Rh(III) and Ru(III) from sample solutions. The conditions of quantitative enrichment and desorption of these analytes from PVAA columns, including investigations of the stability, the regeneration capabilities and the adsorption capacities of that collector, are discussed. Moreover, interferences of foreign ions on the analytes are not observed and analysis of a real sample is performed with reliable results. Recoveries of these elements added to non-ferrous matrices are above 95% with relative standard deviations (RSD) between 2.0 and 4.0%.