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Title: Spectrophotometric determination of Pt(IV) with N-decylpyridine-4-amine from succinate media
Authors: Bagal, M R
Dhokte, A O
Vaidya, S R
Lande, M K
Arbad, B R
Keywords: Platinum(IV);N-decylpyridine-4-amine;Solvent extraction
Issue Date: Jan-2016
Publisher: NISCAIR-CSIR, India
Abstract: N-decylpyridine-4-amine in xylene is used for the extractive separation of platinum(IV) from succinate media. Platinum(IV) has been extracted quantitatively with 10 mL of 1 × 10-4 M reagent in xylene from 0.025 M succinic acid . It is stripped from organic phase with water and estimated spectrophotometrically with stannous chloride. The effect of metal ions, acid, reagent concentrations and various foreign ions has been investigated. The method affords quantitative binary separation of platinum from base metals, and is applicable to the analysis of synthetic mixtures and alloys. The method is fast, accurate and precise. The molar absorptivity and Sandell’s sensitivity of Platinum(IV)-N-decylpyridine-4-amine complex is found to be (4.9×105 L mol-1 cm-1) and (0.0078 µg cm-2), respectively which indicates the applicability of the method.
Page(s): 71-76
ISSN: 0975-0991 (Online); 0971-457X (Print)
Appears in Collections:IJCT Vol.23(1) [January 2016]

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