Determination of Uranium and Plutonium in High Active Solutions by Extractive Spectrophotometry |
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| Authors: | R V Subba Rao K Damodaran G Santosh Kumar T N Ravi |
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| Institution: | (1) Reprocessing Group, Indira Gandhi Centre for Atomic Research, Kalpakkam, 603 102, India;(2) Reprocessing Group, Indira Gandhi Centre for Atomic Research, Kalpakkam, 603 102, India |
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| Abstract: | Plutonium and uranium was extracted from nitric acid into trioctyl phosphine oxide in xylene. The TOPO layer was analysed by spectrophotometry. Thoron was used as the chromogenic agent for plutonium. Pyridyl azoresorcinol was used as chromogenic agent for uranium. The molar absorption coefficient for uranium and plutonium was found to be 19000 and 19264 liter/mole-cm, respectively. The correlation coefficient for plutonium and uranium was found to be 0.9994. The relative standard deviation for the determination of plutonium and uranium was found to be 0.96% and 1.4%, respectively. |
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