A titrimetric method for the sequential determination of thorium and plutonium |
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| Authors: | Keshav Chander S. P. Hasilkar S. G. Marathe |
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| Affiliation: | (1) Fuel Chemistry Division, Bhabha Atomic Research Centre, Trombay, 400 085 Bombay, India |
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| Abstract: | A method for the sequential determination of thorium and plutonium has been developed. In the sample solution containing thorium and plutonium, thorium is first determined by complexometric titration with EDTA and then in the same solution plutonium is determined by redox titration employing potentiometry. Prior to the determination of plutonium, EDTA is destroyed by fuming with concentrated HClO4. Thorium is determined at 10 mg level and plutonium at 1 mg level with precision and accuracy of better than ±0.5%. |
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