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Title: Liquid-liquid extraction of trivalent lanthanides from nitric acid by 2-mercapto- 4, 4, 6-trimethyl-( 1H, 4H)-pyrimidine-1-acetic acid
Authors: Kumar, Ashok
Issue Date: Jan-1997
Publisher: NISCAIR-CSIR, India
Abstract: A new method for the extraction and spectrophotometric determination of La (III), Pr(III), Nd(III), Sm(III), Gd(III) and Tb(III) from dilute aqueous nitrate media by 2-mercapto-4, 4, 6-trimethyl-(1H, 4H)-pyrimidine-1-acetic acid (MTPAcH) has been developed. Various polar organic solvents have been examined. Maximum enhancement is observed in the presence of 40% acetonitrile. Very poor extractability necessitated the use of calcium nitrate as the salting out agent.
Page(s): 57-58
ISSN: 0975-0991 (Online); 0971-457X (Print)
Appears in Collections:IJCT Vol.04(1) [January 1997]

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