Determination of cobalt by substoichiometric extraction with β-hydroxy-naphthaldoxime |
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| Authors: | J Dutta and S Basu |
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| Institution: | (1) Nuclear and Analytical Chemistry Laboratory, Department of Chemistry, Burdwan University, Burdwan 713 104, India, IN |
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| Abstract: | A substoichiometric radiochemical solventextraction method is described for the determination of cobalt, employing β-hydroxy-naphthaldoxime
and chloroform as reagent and extractant, respectively. The extraction behaviour of the complex of cobalt with the reagent
in the pH-range 8–9.5 and the effects of various metal ions on the extraction are critically studied. The method is used to
determine the cobalt content in some pharmaceutical drugs.
Received: 10 January 1997 / Revised: 11 March 1997 / Accepted: 25 March 1997 |
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