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Title: Extraction chromatographic studies of Gallium (III), Indium (III) and Thallium (III) with n-octylaniline
Authors: Aher, Haribhau R
Kuchekar, Shashikant R
Keywords: Extraction chromatography
Gallium (III)
Indium (III)
Thallium (III)
Issue Date: Jul-2008
Publisher: CSIR
Abstract: A selective method has been developed for extraction chromatographic separation of gallium (III), indium (III), thallium (III) with n-octylaniline (a liquid anion exchanger) as a stationary phase on silica gel. Quantitative extraction of gallium (III), indium (III) and thallium (III) has been achieved in 6.0, 0.7 and 0.7 M hydrochloric acid media respectively from 0.0135 M (0.3 %) n-octylaniline. The extracted metals has been stripped with distilled water and estimated spectrophotometrically. The effects of acid concentrations, reagent concentration and diverse ions have been studied. The optimum conditions for extraction have been investigated. Gallium (III), indium (III) and thallium (III) have been separated from its associated elements and synthetic mixtures. Scheme for separation of gallium from indium or thallium has been developed. The probable extracted species was ascertained from log C - log D plots.
Page(s): 403-408
ISSN: 0971–457X
Source:IJCT Vol.15(4) [July 2008]

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