Extraction-spectrophotometric determination of palladium(II) with 3,5-dichlorosalicylaldehyde-4-phenyl-3-thiosemicarbazone
- 1 January 1985
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in The Analyst
- Vol. 110 (10) , 1241-1243
- https://doi.org/10.1039/an9851001241
Abstract
A method for the extraction-spectrophotometric determination of palladium with 3,5-dichlorosalicylaldehyde-4-phenyl-3-thiosemicarbazone (CSAPS) is described. The method is based on the formation of an insoluble palladium(II)-CSAPS complex, which is extractable into chloroform from an aqueous solution at pH 0. The absorbance is measured at 410 nm and the molar absorptivity is 14300 l mol–1 cm–1. The complex system conforms to Beer's law for up to 8 p.p.m. of palladium(II). The method has been applied successfully to the determination of palladium in standard palladium carbon powder (palladium catalyst).Keywords
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