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- Title
Untitled.
- Authors
Ma, Donglan; Ding, Guosheng; Wang, Jinye
- Abstract
The preparation and characteristics of a new water-soluble reagent, N-phenyl- N′-(sodium p-aminobenzenesulfonate)thiourea (PPT) are described. In the presence of cetyltrimethylammonium bromide (CTMAB) PPT reacts with Au(III), Pd(II), and Pt(IV) to form colored complexes with absorption maxima at 317 nm, 306.1 nm, 778.4 nm, respectively. Optimum conditions for color development were studied. The reagent was used for the simultaneous determination of Au(III), Pd(II), and Pt(IV); Amberlyst A-26 macropore anion-exchange resin was used as a means of rapid separation. The method was applied to the determination of Au(III), Pd(II), and Pt(IV) in catalyst materials and anode mud with satisfactory results.
- Publication
Analytical & Bioanalytical Chemistry, 2002, Vol 372, Issue 5/6, p740
- ISSN
1618-2642
- Publication type
Article
- DOI
10.1007/s00216-001-1219-1