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- W1949277541 abstract "The synthesis, characteristics and applications of 1,2,4,6-tetraphenylpyridinium perchlorate (TPPP) as a reagent for the formation of ion-association complexes is described. This reagent forms a 1 : 1 complex with TlCl4–(λmax. 310 nm, molar absorptivity 3.14 × 104 l mol–1 cm–1) that is slightly soluble in water and can be extracted with isopentyl acetate with an extraction efficiency of 97.9%. The TlCl4–-TPP+ complex obtained is useful for the spectrophotometric determination of thallium in the concentration range 0.05–0.8 p.p.m., and the method is applicable to the determination of thallium in sphalerites and zinc concentrates." @default.
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- W1949277541 date "1982-01-01" @default.
- W1949277541 modified "2023-10-18" @default.
- W1949277541 title "1,2,4,6-Tetraphenylpyridinium perchlorate as a reagent for ion-association complex formation and its use for the spectrophotometric determination of thallium" @default.
- W1949277541 doi "https://doi.org/10.1039/an9820700185" @default.
- W1949277541 hasPublicationYear "1982" @default.
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