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本文建立了磷酸锆(ZrP)分离-铂氯酸沉淀分析核燃料溶液中~(137)Cs和~(134)Cs的程序,该程序适用于测定核燃料的燃耗。程序的精密度在±0.5％以内。用所测得的~(137)Cs计算的燃耗值与用~(144)Ce为监测体的结果在1.6％内符合。还测定了~(134)Cs/~(137)Cs放射性比与燃耗的关系,并给出了经验公式。也简述了有关的制源技术。
A procedure for the determination of ~ (137) Cs and ~ (134) Cs in nuclear fuel solution by zirconium phosphate (ZrP) separation and platinum-chloric acid precipitation was established in this paper. The program is suitable for the determination of the fuel consumption of nuclear fuel. The precision of the program is within ± 0.5%. The burnup values calculated with the measured 137 Cs coincide with 1.6% with the results of ~ (144) Ce as the monitor. The relationship between the radioactivity ratio and the fuel consumption of ~ (134) Cs / ~ (137) Cs was also measured and the empirical formula was given. Also outlined the relevant source technology.