标准摘要
[中文适用范围]: 本国际标准规定了测定未辐照混合氧化物燃料(轻水反应堆燃料)颗粒中钚在硝酸中溶解度的分析方法。 结果提供了有关工业再加工条件下辐照颗粒的预期溶解行为的信息。 在这方面,具体条件(例如测试时间)可以根据需要而变化,以匹配特定再处理机的要求。 该测试的目的是确定平衡条件下的溶解度而不是溶解动力学,因此允许第二个溶解期。 [外文原描述]: ISO 21483:2013 specifies an analytical method for determining the solubility in nitric acid of plutonium in pellets of unirradiated mixed oxide fuel (light-water reactor fuels). The results provide information about the expected dissolution behaviour of irradiated pellets under industrial reprocessing conditions. In this aspect, the specific conditions (e.g. time of the test) may vary depending upon the need to match to a specific reprocessor's requirements. The test is aimed at determining solubility under equilibrium conditions rather than the kinetics of dissolution and hence allows for a second dissolution period.
英文名称Determination of solubility in nitric acid of plutonium in unirradiated mixed oxide fuel pellets (U, Pu) O2