Kinetics of Pu(VI) Reduction with Diformylhydrazine in Nitric Acid

K. N. Dvoeglazov; E. Yu. Pavlyukevich; P. V. Mitrikas

doi:10.1134/S1066362218060048

Kinetics of Pu(VI) Reduction with Diformylhydrazine in Nitric Acid

作者: Dvoeglazov K.N.¹, Pavlyukevich E.Y.¹, Mitrikas P.V.¹
隶属关系:
1. Bochvar High-Tech Research Institute of Inorganic Materials
期: 卷 60, 编号 6 (2018)
页面: 588-594
栏目: Article
URL: https://ogarev-online.ru/1066-3622/article/view/224761
DOI: https://doi.org/10.1134/S1066362218060048
ID: 224761

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The kinetics of the Pu(VI) reduction with diformylhydrazine in a nitric acid medium was studied by spectrophotometry. The reaction rate increases with an increase in the reductant concentration and temperature and decreases with an increase in the HNO₃ concentration. The reaction order with respect to Pu, diformylhydrazine, and HNO₃ is 1, 1.3, and–1.5, respectively. The activation energy of the reaction is 86.9 kJ mol^–1.