p-Anisaldehyde thiosemicarbazone: a reagent for the polarographic determination of platinum(II)

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Abstract
p-Anisaldehyde thiosemicarbazone (PATSC) is proposed as a reagent for the rapid, relatively sensitive and selective determination of platinum(II) in the approximate range 0.05–8.0 mM by d.c. polarography. This reagent quantitatively formed a yellow complex with platinum(II) in 0.1–0.25 M HCl medium, which yielded a reversible, diffusion-controlled, two-electron reduction wave. Various polarographic parameters for the quantitative determination have been studied and the reliability of the method has been checked by statistical analysis. The senstivity of the method was increased approximately ten-fold by employing differential-pulse polarography.

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