Authors:
G. Relan Nuclear Materials Accouting Cell Bhabha Atomic Research Centre 400 085 Trombay, Bombay (India)

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R. Sharma Nuclear Materials Accouting Cell Bhabha Atomic Research Centre 400 085 Trombay, Bombay (India)

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U. Powar Nuclear Materials Accouting Cell Bhabha Atomic Research Centre 400 085 Trombay, Bombay (India)

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P. Kalsi Nuclear Materials Accouting Cell Bhabha Atomic Research Centre 400 085 Trombay, Bombay (India)

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S. Vaidyanathan Nuclear Materials Accouting Cell Bhabha Atomic Research Centre 400 085 Trombay, Bombay (India)

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Abstract  

A cotrolled potential coulometric method has been developed in 1M HClO4 for the determination of uranium using an electrolysis cell and coulometer. A noteworthy feature of this method is its applicability even in the presence of large excess of calcium, barium and lead, situations where the commonly used coulometric method in 0.5M H2SO4 medium and the well known potentiometric method in H3PO4 medium are not applicable, Results of the determination of uranium in a number of aliquots of synthetic solutions of (U,Ca), (U, Ba) and (U, Pb) showed a precision of the order of 0.2% and the experimental values of uranium content agreed with the expected values within the precision limits. Similar results were obtained with samples of synthetic mixtures of U3O6 and CaF2 powder containing 1–5% U and 95–99% Ca. The method was then successfully used to determine the U-conten of some typical samples of CaF2 slag (containing 1–5% U) generated during the calciothermic reduction of UF4 to U-metal at conversion plants.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)