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Issue 1, 1990
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Studies on inorganic ion exchangers. Part 5. Preparation, properties and application of antimony(III) arsenate and antimony(III) molybdate

Abstract

Two inorganic ion-exchange materials, antimony(III) arsenate and antimony(III) molybdate, have been synthesised and characterised. The distribution coefficients of 12 metal ions in de-mineralised water were determined. The order of selectivity was found to be Cd2+ < Ca2+ < Mg2+ < Pb2+ < Cu2+ < Th4+ < Hg2+ for antimony(III) arsenate and Mg2+ < Th4+ < Ni2+ < Zn2+ < Co2+ < Ca2+ < Hg2+ < Cd2+ < Cu2+ < Pb2+ < Bi3+ < Sn2+ for antinomy(III) molybdate; Zn2+, Co2+ and Ni2+ were not adsorbed by antimony(III) arsenate. The effects of temperature and of the size and charge of the exchanging ion on the exchange capacity were determined and successful separations of Hg2+ from Zn2+, Ni2+ and Cd2+, and Pb2+ from Zn2+, Cu2+ and Mg2+ were carried out on columns of antimony(III) arsenate and antimony(III) molybdate, respectively.

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Article type: Paper
DOI: 10.1039/AN9901500085
Citation: Analyst, 1990,115, 85-87
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    Studies on inorganic ion exchangers. Part 5. Preparation, properties and application of antimony(III) arsenate and antimony(III) molybdate

    C. Janardanan and S. M. Nair, Analyst, 1990, 115, 85
    DOI: 10.1039/AN9901500085

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