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DETERMINATION OF Pd AND Pt IN CATALYST BY ICP-AES WITH SULFHYDRYL COTTON SEPARATION

Liu Shaofen

Abstract

A method for the determination of Pd and Pt in catalyst by ICP--AES is introduced.Sulfhydryl cotton column is used to separate interferential elements based on the strong combination between Pd2+ (or Pt2+ )and sulfhydryl in 3 mol/L HCI concentration. The best separation condition is selected. Recoveries of Pd and Pt are 91. 3￣106 % and 92￣103 % respectively.

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Key concepts: Chemistry, Catalysis, Chromatography, Inductively coupled plasma atomic emission spectroscopy, Column (typography), Nuclear chemistry, Inductively coupled plasma, Organic chemistry