摘要
以固相萃取片富集和纯化Sr,以盖革计数器定量测量片上90Sr含量,结合电磁阀、可编程逻辑控制器等,研制了核设施液态流出物中90Sr自动化分析系统。该系统实现了取样、90Sr富集和纯化、90Sr活度测量的全过程自动化。样品分析时间约30 min,探测限低于1 Bq/L,可满足核设施液态流出物中90Sr的分析要求。
Radiochemical analysis auto-system of 90Sr in liquid effluent from nuclear facilities was developed by using solid phase extraction disk to absorb Sr, Geiger counter to measure the activity of 90Sr, solenoid valves and programmable controllers and so on. The system realizes the automation of sampling, enrichment, purification and activity measurement. The analysis time is about 30 min and the detection limit is less than 1 Bq/L, which can meet the requirement of 90Sr analysis in liquid effluent from nuclear facilities.
作者
丁有钱
杨素亮
宋志君
孙宏清
梁小虎
张生栋
王方定
DING You-qian;YANG Su-liang;SONG Zhi-jun;SUN Hong-qing;LIANG Xiao-hu;ZHANG Sheng-dong;WANG Fang-ding(China Institute of Atomic Energy, P. O. Box 275(126), Beijing 102413, China)
出处
《核化学与放射化学》
CAS
CSCD
北大核心
2019年第4期399-404,I0004,共7页
Journal of Nuclear and Radiochemistry
关键词
90Sr
固相萃取片
自动化分析
90Sr
solid phase extraction disk
automatic analyzer
