Authors:
M. Sampath Reprocessing Group, IGCAR, Kalpakkam, 603102 India

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Pranay Sinha Reprocessing Group, IGCAR, Kalpakkam, 603102 India

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Shekhar Kumar Reprocessing Group, IGCAR, Kalpakkam, 603102 India

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U. Mudali Reprocessing Group, IGCAR, Kalpakkam, 603102 India

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R. Natarajan Reprocessing Group, IGCAR, Kalpakkam, 603102 India

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Abstract  

Acetohydroxamic acid (AHA) is an important complexant/reductant for Pu(IV) in the UREX process. It decomposes in the presence of nitric acid. In literature, its decomposition kinetics in nitric acid is traditionally reported as pseudo-first order reaction. In this study, new experimental data were reported for kinetics experiments under wide consecration conditions. It was found that the decomposition reaction was first order with respect to both the components hence overall second order.

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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)