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SEPARATION OF NIOBIUM AND TANTALUM BY EXTRACTION CHROMATOGRAPHY WITH BIS(2-ETHYLHEXYL)PHOSPHORIC ACID

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Field Value
 
Title SEPARATION OF NIOBIUM AND TANTALUM BY EXTRACTION CHROMATOGRAPHY WITH BIS(2-ETHYLHEXYL)PHOSPHORIC ACID
 
Creator VIN, YY
KHOPKAR, SM
 
Subject di(2-ethylhexyl) phosphoric-acid
solvent-extraction
 
Description A novel method is developed for the reversed-phase extractive chromatographic separation of niobium and tantalum with bis(2-ethylhexyl)phosphoric acid. Niobium is extracted from 1-10M hydrochloric acid and can be stripped with 3M sulphuric acid containing 2% hydrogen peroxide. Tantalum is extracted from 0.1-2M hydrochloric acid and can be stripped with 0.1M hydrochloric acid containing 2M tartaric acid. It is possible to separate niobium and tantalum, in different ratios, from multicomponent mixtures.
 
Publisher ELSEVIER SCIENCE BV
 
Date 2011-07-26T16:19:10Z
2011-12-26T12:55:07Z
2011-12-27T05:43:44Z
2011-07-26T16:19:10Z
2011-12-26T12:55:07Z
2011-12-27T05:43:44Z
1991
 
Type Article
 
Identifier TALANTA, 38(9), 971-975
0039-9140
http://dx.doi.org/10.1016/0039-9140(91)80311-M
http://dspace.library.iitb.ac.in/xmlui/handle/10054/6958
http://hdl.handle.net/10054/6958
 
Language en