Ga(Ⅲ)在罗丹明B和丙醇的水溶液中与Zn(Ⅱ)、Al(Ⅲ)、Ir(Ⅳ)、Rh(Ⅲ)、V(Ⅴ)和Ti(Ⅳ)的绿色萃取分离

Journal of Xinyang Normal University (Natural Science Edition)(2014)

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Abstract
丙醇水溶液在氯化钠的作用下可分成醇-水两相,在分相过程中,GaCl4-与罗丹明B( RhB)生成的[GaCl4-][RhB+]能被丙醇相完全萃取.当溶液中丙醇和罗丹明 B 的浓度分别为30%(v/v),0.3 g/L 时, Ga(Ⅲ)的萃取率达到97.8%以上,而Zn(Ⅱ)、Al(Ⅲ)、Ir(Ⅳ)、Rh(Ⅲ)、V(Ⅴ)和Ti(Ⅳ)基本不被萃取,实现了Ga(Ⅲ)与上述金属离子的分离.
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Key words
gallium,sodium chloride,rhodamine B,1-propanol,extraction separation
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