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Study on spectrophotometric determination of micro palladium with chlorosulfophenolazo rhodanine

Xu Wei

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Abstract

In H_3PO_4 medium and the presence of CTMAB,the reagent chlorosulfophenolazo rhodanine(5-(2-hydroxy-3-sulfo-5-chlorobenzolazo) rhodanine] reacts with Pd? to form a stable tangerine complex with a metal∶reagent radio of 1∶2.The apparent molar absorptivity of the complex is 6.55×10~4(L·mol~(-1)·cm~(-1))(at 488 nm.Beer's) law is obeyed in the range of 0-8 μg/mL for Pd?.The proposed method has been applied to the analysis of Pd in Pd-C catalyst sample with satisfactory results.

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What this paper is about

In H_3PO_4 medium and the presence of CTMAB,the reagent chlorosulfophenolazo rhodanine(5-(2-hydroxy-3-sulfo-5-chlorobenzolazo) rhodanine] reacts with Pd? to form a stable tangerine complex with a metal∶reagent radio of 1∶2.The apparent molar absorptivity of the complex is 6.55×10~4(L·mol~(-1)·cm~(-1))(at 488 nm.Beer's) law is obeyed in the range of 0-8 μg/mL for Pd?.The proposed method has been applied to the analysis of Pd in Pd-C catalyst sample with satisfactory results.

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Available abstract

In H_3PO_4 medium and the presence of CTMAB,the reagent chlorosulfophenolazo rhodanine(5-(2-hydroxy-3-sulfo-5-chlorobenzolazo) rhodanine] reacts with Pd? to form a stable tangerine complex with a metal∶reagent radio of 1∶2.The apparent molar absorptivity of the complex is 6.55×10~4(L·mol~(-1)·cm~(-1))(at 488 nm.Beer's) law is obeyed in the range of 0-8 μg/mL for Pd?.The proposed method has been applied to the analysis of Pd in Pd-C catalyst sample with satisfactory results.

Key concepts: Rhodanine, Reagent, Molar absorptivity, Chemistry, Palladium, Spectrophotometry, Nuclear chemistry, Metal

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