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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

Separation of <TEX>$Cd^{2+}$</TEX> and <TEX>$Pb^{2+}$</TEX> by means of their coprecipitation on <TEX>$BaTiO(C_2O_4)_2{\cdot}4H_2O$</TEX> precipitate

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1997, v.10 no.1, pp.31-34
Min, Chonkyu
Noh, Taeyong
Lee, Chul
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Abstract

Barium titanyl oxalate which is a precursor of barium titanate has been precipitated at pH 4~5 by a rapid addition of aqueous titanyl oxalate solution to artificial environmental water samples containing equivalent weight of <TEX>$Ba^{2+}$</TEX> ions. Quantitative recoveries of <TEX>$Cd^{2+}$</TEX> and <TEX>$Pb^{2+}$</TEX> from the water samples has been confirmed and found to be usable as a possible method of preconcentration for their determination.

keywords
Water samples, Cadmium, Lead, Barium titanyl oxalate, Coprecipitation


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