Effect of Uranyl Nitrate on Exothermic Processes in Nitric Acid Solutions of Reductants

IF 0.9 Q4 CHEMISTRY, INORGANIC & NUCLEAR

Radiochemistry Pub Date : 2025-04-05 DOI:10.1134/S1066362225010114

A. S. Ob”edkov, A. N. Grishaev, E. V. Belova

引用次数: 0

Abstract

The thermal stability of nitric acid solutions of acetohydroxamic acid, carbohydrazide, hydrazine nitrate, and their mixtures was studied. The onset temperature of the exothermic reaction was determined, and the thermal effects of the reactions were calculated. The effect of uranyl nitrate on the thermal stability of reducing agents and their mixtures was studied. Comparison of the characteristics of exothermic processes in solutions with and without uranyl nitrate showed that the introduction of uranyl nitrate reduced the intensity of exothermic processes in all the nitric acid solutions studied.

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硝酸铀酰对还原剂硝酸溶液放热过程的影响

研究了乙羟肟酸、碳肼、硝酸肼及其混合物的硝酸溶液的热稳定性。测定了放热反应的起始温度，计算了放热反应的热效应。研究了硝酸铀酰对还原剂及其混合物热稳定性的影响。对有和不含硝酸铀酰溶液放热过程特性的比较表明，硝酸铀酰的引入降低了所研究的硝酸溶液放热过程的强度。

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来源期刊

Radiochemistry CHEMISTRY, INORGANIC & NUCLEAR-

CiteScore

1.30

自引率

33.30%

发文量

期刊介绍： Radiochemistry is a journal that covers the theoretical and applied aspects of radiochemistry, including basic nuclear physical properties of radionuclides; chemistry of radioactive elements and their compounds; the occurrence and behavior of natural and artificial radionuclides in the environment; nuclear fuel cycle; radiochemical analysis methods and devices; production and isolation of radionuclides, synthesis of labeled compounds, new applications of radioactive tracers; radiochemical aspects of nuclear medicine; radiation chemistry and after-effects of nuclear transformations.