标准编号:ISO 13165-2:2022
中文名称:水的质量 镭-226 第2部分:用射气测量法的试验方法
英文名称:Water quality — Radium-226 — Part 2: Test method using emanometry
发布日期:2022-09
标准范围
226 This document specifies a test method to determine radium-226 ( Ra) activity concentration in all types of water by emanometry.
The test method specified is suitable for the determination of the soluble, suspended and total Ra 226 activity concentration in all types of water with soluble Ra activity concentrations greater than 0,02 Bq l -1.
The decay chains of U and Th are given in Annex A. Figure A.1 shows the U and its decay chain.