Chem. J. Chinese Universities ›› 1985, Vol. 6 ›› Issue (3): 206.
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Cai Shulian1, Zhou Zhiming2
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Abstract: The anion-exchange behaviour of molybdenum(Ⅵ) and tungsten(Ⅵ) on a strong basic anion-exchange resin(Zerolit FF) has been investigated in hydrochloric acid and complexing agent (tartaric, citric and oxalic acid)-hydrochloric acid systems containing various kinds of organic solvent by means of batch method. The main factor effecting of organic solvent on the distribution of molybdenum(Ⅵ) and tungsten (Ⅵ)bet-ween resin and solution phases and the distribution mechanism are discussed. The results indicate that adding organic solvent favors complex-forming and increases the stability of the complexes. The possibility is offered for separation and concentration of trace amounts of tungsten(Ⅵ) from macro amounts of molybdenum(Ⅵ).
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Cai Shulian, Zhou Zhiming. Investigation of Anion-Exchange Behaviour for Molybdenum(Ⅵ) and Tungsten (Ⅵ) in Mixed Organic-Aqueous Solvents[J]. Chem. J. Chinese Universities, 1985, 6(3): 206.
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http://www.cjcu.jlu.edu.cn/EN/Y1985/V6/I3/206