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Title: Bismuth selective antimony(III) silicate inorganic ion-exchanger
Authors: Reetha, C
Aravindakshan, K K
Janardanan, C
Issue Date: Jul-2002
Publisher: NISCAIR-CSIR, India
Abstract: Antimony(III) silicate has been synthesised, characterised, and its ion exchange properties have been ascertained. The exchanger is stable in water, alcohol, acetic acid, 1.0M HCI, 1.0M HNO3 and in aqueous solutions of LiCl, KCl MgCl2, CaCl2 and BaCl2. Its exchange capacities for various alkali and alkaline earth metal ions have been determined. Also distribution coefficients for various metal ions, effect of electrolyte concentration and temperature and pH on ion exchange capacity have been studied. The molar ratio, found from chemical analysist as 1:1, suggests Sb2O3 2SiO2 nH2O as the empirical formula for the exchanger. Binary separations of Bi(III) from Pb(II), Cu(II), Zn(II) and Hg(II) have been achieved from a column of the exchanger.
Page(s): 1438-1440
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.41A(07) [July 2002]

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