在后处理厂工艺分析中,高放废液样品由于具有强的放射性,使得样品分析操作困难,为减少样品分析中的辐射危害,首先需要对高放废液样品中的强放射性裂变产物进行较为彻底的去污。这样高放废液样品分析就可以在热室外进行,从而避免由于热室操作不便造成的测量误差。高放样品中137Cs是γ射线放射性活度的最主要贡献者,因此研究高放废液样品中137Cs的去除具有重要意义。近年来国外的研究表明采用杯冠类化合物从高放废液中去除137Cs是较有前景的方法之一。本工作初 In the process analysis of the reprocessing plant, samples of high-level liquid waste are difficult to analyze because of their strong radioactivity. To reduce the radiation hazard in sample analysis, we first need to compare the strong radioactive fission products in samples of high-level liquid waste Thorough decontamination Such high-level waste samples can be analyzed outside the thermal cell to avoid measurement errors due to inconvenient thermal cell operation. Therefore, it is of great importance to study the removal of 137Cs from HLR samples. In recent years, foreign studies have shown that the removal of 137Cs from high-level liquid waste by cup-crown compounds is one of the more promising methods. The beginning of this work