Spectrophotometric determination of Pt(IV) with N-decylpyridine-4-amine from succinate media

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 x 10 super(-4) M reagent in xylene from 0.025 M succinic acid . It is stripped from organic phase with water and estimated spec...

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Published in:Indian journal of chemical technology 2016-01, Vol.23 (1), p.71-76
Main Authors: Bagal, M R, Dhokte, A O, Vaidya, S R, Lande, M K, Arbad, B R
Format: Article
Language:English
Subjects:
Alloys
Chemical technology
Chlorides
Media
Reagents
Separation
Spectrophotometry
Xylene
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Vaidya, S R
Lande, M K
Arbad, B R
description 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 x 10 super(-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 (4.9x10 super(5) L mol super(-1) cm super(-1)) and (0.0078 [mu]g cm super(-2)), respectively which indicates the applicability of the method.
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subjects Alloys
Chemical technology
Chlorides
Media
Reagents
Separation
Spectrophotometry
Xylene
title Spectrophotometric determination of Pt(IV) with N-decylpyridine-4-amine from succinate media
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