Kinetics of Np(VI) reduction with carbohydrazide in nitric acid

O. A. Zavalina; K. N. Dvoeglazov; E. Yu. Pavlyukevich; S. I. Stepanov

doi:10.1134/S1066362217050034

Kinetics of Np(VI) reduction with carbohydrazide in nitric acid

作者: Zavalina O.A.¹, Dvoeglazov K.N.², Pavlyukevich E.Y.², Stepanov S.I.¹
隶属关系:
1. Mendeleev University of Chemical Technology of Russia
2. Bochvar High-Tech Research Institute of Inorganic Materials
期: 卷 59, 编号 5 (2017)
页面: 453-457
栏目: Article
URL: https://ogarev-online.ru/1066-3622/article/view/224128
DOI: https://doi.org/10.1134/S1066362217050034
ID: 224128

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The kinetics of the Np(VI) reduction with carbohydrazide in nitric acid solutions was studied by spectrophotometry. The reaction rate increases with increasing carbohydrazide concentration and temperature and decreases with increasing HNO₃ concentration. The reaction order with respect to Np, carbohydrazide, and HNO₃ is 1, 1.15, and–1.35, respectively. The activation energy of the reaction is 85 kJ mol^–1.