1. Unpublished information from our earlier purification work when iron alone was present as the impurity in233U oxide product.
2. R. T. KULKARNI, et al., Separation and purification of U-233 from boron and other impurities, Proc. Symp. on Radiochemistry and Radiation Chemistry, Bhabha Atomic Research Centre, Bombay, India, 26 Feb. 1988.
3. A. PALAMALAI, T. S. THANKACHAN, G. R. BALASUBRAMANIAN, Improvements in biamperometric method for remote analysis of urnaium. Report RRC-39, 1979.
4. USAEC Report, TID, 7015, Method-1218710.
5. J. BASSETT et al., Vogel's Textbook of Quantitative Inorganic Analysis, 4th ed., Longmans' Group Limited, London, 1978, p. 742.