Complexometric determination of thorium in ThO2−PuO2

S. Hasilkar; N. Gopinath; Keshav Chander; S. Marathe; H. Jain

doi:10.1007/bf02037165

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 122: Issue 1

Complexometric determination of thorium in ThO₂−PuO₂

Authors:

S. Hasilkar

S. Hasilkar Bhabha Atomic Research Centre Fuel Chemistry Division Trombay 400 085 Bombay (India)

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N. Gopinath

N. Gopinath Bhabha Atomic Research Centre Fuel Chemistry Division Trombay 400 085 Bombay (India)

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Keshav Chander

Keshav Chander Bhabha Atomic Research Centre Fuel Chemistry Division Trombay 400 085 Bombay (India)

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S. Marathe

S. Marathe Bhabha Atomic Research Centre Fuel Chemistry Division Trombay 400 085 Bombay (India)

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H. Jain

H. Jain Bhabha Atomic Research Centre Fuel Chemistry Division Trombay 400 085 Bombay (India)

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Pages:: 69–73

Online Publication Date:: 13 Aug 2005

Publication Date:: 17 May 1988

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02037165

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Abstract

A method based on the complexometric titration of thorium using ethylene diaminetetra-acetic acid (EDTA) as complexant has been developed for the determination of thorium in thorium-plutonium solution without resorting to prior separation of plutonium. Plutonium in the form of Pu(VI) does not affect the thorium determination when present up to 10% in thorium—plutonium solution. For oxidation of plutonium to Pu(VI), HClO₄ or AgO was used. HClO₄ is preferred. The thorium values obtained without prior separation of plutonium are compared with those obtained after separating plutonium by anion exchange technique. A precision of ±0.5% has been obtained for 5–10 mg of thorium in the aliquot.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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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)