Determination of bismuth by selenious acid |
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| Authors: | B R Sant and E Thomas Varkey |
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| Institution: | (1) Department of Chemistry, Banaras Hindu University, Banaras, India;(2) Post-Doctr. Res. Associate, Dptm. of Chem., Louisiana State University, Baton Rouge 3, La., USA |
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| Abstract: | Summary Bismuth is shown to be precipitated quantitatively as bismuth selenite by boiling an almost neutral solution of bismuth nitrate and excess selenious acid. The excess H2SeO3 is determined iodometrically by standard thiosulphate or arsenious oxide solution. Alternatively, the precipitated selenite may be dried at 105–110° C and weighed as Bi2(SeO3)3.Sincere thanks of the authors are due to Prof. S. S. Joshi for research facilities and to Dr. G. S. Deshmukh for keen interest in the work. |
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