HJ 1127-2020
应急监测中环境样品γ核素测量技术规范(发布稿)
Technical Specifications on Determination of Gamma-ray Emitting Radionuclides in Environmental Samples for Emergency Monitoring
2020-04-30 实施
202 0-04-09 发布
目 次
前 言..............................................................................................................................................1
1 适用范围.......................................................................................................................................3
2 规范性引用文件...........................................................................................................................3
3 术语和定义...................................................................................................................................3
4 方法原理.......................................................................................................................................3
5 仪器和设备...................................................................................................................................4
6 样品初筛、制备及记录...............................................................................................................5
7 高纯锗 γ 能谱仪校准...................................................................................................................6
8 样品测量.......................................................................................................................................7
9 结果计算.......................................................................................................................................8
10 质量控制...................................................................................................................................10
11 废物处理................................................................................................................................... 11
12 注意事项................................................................................................................................... 11
附录 A (资料性附录) γ 能谱仪快速效率校准数据库...........................................................13
附录 B (资料性附录) γ 能谱分析中不确定度主要分量的典型范围...................................24
附录 C (资料性附录) 应急监测中 γ 能谱分析测量时间和探测限关系..............................25
附录 D (资料性附录) 应急监测中 γ 能谱分析可能涉及的放射性核素..............................26
附录 E (资料性附录) 核事故应急监测中 γ 能谱分析实用数据库......................................34
附录 F (资料性附录) 2 L 马林杯尺寸...................................................................................38
本标准生态环境部2020年4月9日批准。
本标准自2020年4月30日起实施。
本标准由生态环境部解释。