Liquid/liquid extraction separation of h
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C.P. Vibhute; S.M. Khopkar
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Article
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1987
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Elsevier Science
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English
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Hafnium (10-110 lg ml-l) is quantitatively extracted at pH 4.6 from 0.01 M citric acid with 0.1 M Amberlite LA-1 in xylene; it can be stripped with 0.1 M perchloric acid and determined spectrophotometrically with xylenol orange at 540 nm. Hafnium can be separated from binary and multicomponent mixtu