Chemical Separation and D. C. ARC-Atomic Emission Spectrometric and Inductively Coupled Argon Plasma Atomic Emission Spectrometric Methods for Trace Characterisation of High Purity Thorium Oxide

T. R. Bangia Radiochemistry Division, Bhabha Atomic Research Centre, Trombay, Bombay, 400085

V. C. Adya Radiochemistry Division, Bhabha Atomic Research Centre, Trombay, Bombay, 400085

B. A. Dhawale Radiochemistry Division, Bhabha Atomic Research Centre, Trombay, Bombay, 400085

B. Rajeswari Radiochemistry Division, Bhabha Atomic Research Centre, Trombay, Bombay, 400085

M. D. Sastry Radiochemistry Division, Bhabha Atomic Research Centre, Trombay, Bombay, 400085

P. R. Natarajan Radiochemistry Division, Bhabha Atomic Research Centre, Trombay, Bombay, 400085

Abstract

Chemical separation procedures using solvent extraction methods for the quantitative separation of rare earths from Th0₂ have been examined using Di-2-ethyl hexyl phosphoric acid (HDEHP) / HNO₃, HDEHP / HCl, Tri n-octyl phosphine oxide (TOPO) / HNO₃ and TOPO / HCl systems. The efficiency of these systems was determined using radioactive tracers and emission

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Chemical Separation and D. C. ARC-Atomic Emission Spectrometric and Inductively Coupled Argon Plasma Atomic Emission Spectrometric Methods for Trace Characterisation of High Purity Thorium Oxide

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Chemical Separation and D. C. ARC-Atomic Emission Spectrometric and Inductively Coupled Argon Plasma Atomic Emission Spectrometric Methods for Trace Characterisation of High Purity Thorium Oxide

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