辐照对羧酰肼硝酸溶液热稳定性的影响

IF 0.9 Q4 CHEMISTRY, INORGANIC & NUCLEAR

Radiochemistry Pub Date : 2024-04-23 DOI:10.1134/S1066362224010107

V. V. Kalistratova, A. S. Obedkov, E. V. Belova

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引用次数: 0

摘要

摘要对 3 M 和 7 M HNO3 中未经辐照和辐照剂量为 100、250 和 500 kGy 的碳酰肼溶液进行了热分析。测定了放热反应的起始温度、时间和速率；计算了反应的比热效应和溶液的自热值。对溶液的辐照提高了放热反应的起始温度，降低了其比热释放。辐照剂量为 500 kGy 时，主要特征降低了 70%，这与碳酰肼的分解有关。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Effect of Irradiation on the Thermal Stability of Nitric Acid Solutions of Carbohydrazide

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Effect of Irradiation on the Thermal Stability of Nitric Acid Solutions of Carbohydrazide

Thermal analysis of non-irradiated and irradiated carbohydrazide solutions in 3 and 7 M HNO₃ to doses 100, 250, and 500 kGy was carried out. The onset temperature, time, and rate of the exothermic reaction were determined; the specific thermal effect of the reaction and self-heating value of the solution were calculated. Irradiation of the solution rises the onset temperature of the exothermic reaction and reduces its specific heat release. At radiation dose of 500 kGy, the main characteristics decrease by 70%, which is associated with the decomposition of carbohydrazide.

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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.