Standard No.:	HJ 1429-2025
English Name:	Determination of gross beta in liquid effluent of nuclear facilities －Standard curve method
Chinese Name:	核设施液态流出物 总β放射性测量 标准曲线法
Chinese Classification:	Z33    Analysis and test methods for radioactive substances and radiation intensity
Professional Classification:	HJ    Professional Standard - Environment
ICS Classification:	13.030.30 13.030.30    Special wastes 13.030.30
Source Content Issued by:	MEE
Issued on:	2025-12-24
Implemented on:	2026-1-1
Status:	to be valid
Target Language:	English
File Format:	PDF

本标准规定了标准曲线法测量核设施液态流出物总β放射性活度浓度的方法。
本标准适用于核设施液态流出物总β放射性活度浓度的测量。
方法探测下限取决于测量仪器的计数效率、本底计数率、测量时间和用于测量的样品体积，典型条件下，探测下限可达0.66 Bq/L。