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Liquid—Liquid Extraction of Goid(III) with Diluted Tributyl Phosphate

 

作者: A.A. Yadav,   S.M. Khopkar,  

 

期刊: Separation Science  (Taylor Available online 1970)
卷期: Volume 5, issue 5  

页码: 637-643

 

ISSN:0037-2366

 

年代: 1970

 

DOI:10.1080/00372367008055523

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

A new method is developed for the. solvent extraction of gold with diluted tributyl phosphate. In this method, 50% tributyl phosphate in toluene extracts gold quantitatively from 3Mhydrochloric acid containing 2Mlithium chloride as the salting-out agent. Gold from the organic phase is stripped with 1Mammonium hydroxide and determined photometrically as its complex with stannous chloride. It is possible to extract gold in the presence of a large number of ions.

 

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