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Abstract.A simple and selective method for rapid extraction and determination of Pd(II) ions was developed based on sorption on octadecyl-bonded silica membrane disks of an ion associate of PdBr42 anion with 1-hexadecylpyridinium cation. The sample containing Pd(II) in the presence of 0.15M of NaBr and 10mg 1-hexadecylpyridinium bromide was passed through the membrane disk by applying a slight vacuum...
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