Authors:
S. Ahmed Pinstech Applied Chemistry Division P. O. Nilore Islamabad Pakistan

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A. Mahmood Pinstech Applied Chemistry Division P. O. Nilore Islamabad Pakistan

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M. Awan Pinstech Applied Chemistry Division P. O. Nilore Islamabad Pakistan

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U. ur Rehman Pinstech Applied Chemistry Division P. O. Nilore Islamabad Pakistan

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Abstract  

A direct and simple method for the conversion of UO2 and U3O8 powder into uranyl sulphate solution is described, eliminating many tedious chemical steps. UO2 and U3O8 are not soluble in concentrated or dilute sulphuric acid, as uranium in lower oxidation state does not react with sulphuric acid. However, nitric acid oxidizes uranium from lower valency to higher valency state, i.e., tetravalent to the hexavalent uranyl ion in solution. Sufficient amount of sulphuric acid present in the reaction mixture makes it possible for uranyl ions, formed by oxidation of nitric acid, to react with sulphuric acid forming uranyl sulphate.

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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)