盐酸溶液中铱(Ⅲ)氯水配合物的萃取行为

PRECIOUS METALS(2001)

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Abstract
研究了TBP、50%TAPO-煤油溶液在HCl介质中对铱(Ⅲ)氯水配合物的萃物行为.结果表明:当[HCl]<3mol/L时,铱(Ⅲ)氯水配合物在一定程度上被50% TAPO-煤油溶液萃取,且随着HCl浓度的增加,其萃取率降低;当[HCl]>3mol/L时,其萃取率均很低,几乎不被萃取.通过对萃取后的水相、有机相紫外-可见光谱和红外光谱的表征,研究了它们的萃取机理.
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