8-羟基喹啉萃取La（Ⅲ）的机理

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Extraction of Lanthanum with 8-Hydroxyquinoline

ZHANG Qian, BAO Bo-rong

College of Sciences, Shanghai University, Shanghai 200444, China

Received:2006-11-28 Revised:1900-01-01 Online:2008-04-30 Published:2008-04-30
Contact: BAO Bo-rong

Abstract

Abstract: The solvent extraction of La3+ from hydrochloric acid solutions was Investigated using 8-Hydroxyquinoline as extractant. The effect of equilibrium of aqueous acidity on extraction of La3+ using 8Hydroxyquinoline was discussed. The effects of extractant concentraction, different diluents and chloride ion on extraction reaction were also studied. With a doublelogarithmic slope method, composition of the extracted species of 8-Hydroxyquinoline was derived.

Key words: extraction, Lanthanum, 8-Hydroxy quinoline

CLC Number:

O652.62

ZHANG Qian;BAO Bo-rong. Extraction of Lanthanum with 8-Hydroxyquinoline[J]. Journal of Shanghai University（Natural Science Edition）.

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Extraction of Lanthanum with 8-Hydroxyquinoline

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