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Extraction and separation studies of iridium(III) with 4-(4-methoxy benzylideneimino)-5-methyl-4H-1,2,4-triazole-3-thiol in hydrochloric acid medium

Kaluram N. Vidhate

A novel method is proposed for the extraction of microgram level concentration of iridium(III) from hydrochloric acid medium with 4-(4-methoxybenzylideneimino)-5-methyl-4H-1,2,4-triazole-3-thiol(MBIMTT) dissolved in chloroform as an extractant. The iridium(III) from the organic phase is stripped with 2 M hydrochloric acid and determined spectrophotometrically with stannous chloride method. The method affords the binary separation and determination of iridium(III) from the alloys and synthetic mixture. The method is highly selective, simple and reproducible