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APPLICATIONS OF LIQUID ANION-EXCHANGERS FOR THE SEPARATION OF ZIRCONIUM AND HAFNIUM

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Title APPLICATIONS OF LIQUID ANION-EXCHANGERS FOR THE SEPARATION OF ZIRCONIUM AND HAFNIUM
 
Creator KARVE, MA
KHOPKAR, SM
 
Subject extraction
zirconium
hafnium
solvent extraction
aliquat 336s
ascorbic acid
 
Description Zirconium and hafnuim were extracted with 0.1 M of Aliquat 336S in toluene from 0.005 M of ascorbic acid at pH 4.0. Both of the metals were stripped with 2 M hydrochloric acid. Zirconium from the aqueous phase was determined spectrophotometrically with Arsenazo III at 650 nm, while hafnium was determined with Xylenol Orange at 540 nm. The separation of zirconium from hafnium was achieved by stripping hafnium with 9 M hydrochloric acid followed by stripping zirconium with 2 M hydrochloric acid. They were also separated from associated elements in multicomponent mixtures.
 
Publisher JAPAN SOC ANALYTICAL CHEM
 
Date 2011-08-04T08:02:58Z
2011-12-26T12:54:37Z
2011-12-27T05:42:44Z
2011-08-04T08:02:58Z
2011-12-26T12:54:37Z
2011-12-27T05:42:44Z
1992
 
Type Article
 
Identifier ANALYTICAL SCIENCES, 8(2), 237-241
0910-6340
http://dx.doi.org/10.2116/analsci.8.237
http://dspace.library.iitb.ac.in/xmlui/handle/10054/9293
http://hdl.handle.net/10054/9293
 
Language en