ISO 13165-2:2022
ISO 13165-2:2022

ISO 13165-2:2022

September 2022
International standard Current

Water quality - Radium-226 - Part 2: Test method using emanometry

This document specifies a test method to determine radium-226 (226Ra) activity concentration in all types of water by emanometry.The test method specified is suitable for the determination of the soluble, suspended and total 226Ra activity concentration in all types of water with soluble 226Ra activity concentrations greater than 0,02 Bq l−1.The decay chains of 238U and 232Th are given in Annex A. Figure A.1 shows the 238U and its decay chain.

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Main informations

Collections

International ISO standards

Publication date

September 2022

Number of pages

16 p.

Reference

ISO 13165-2:2022

ICS Codes

13.060.60   Examination of physical properties of water
17.240   Radiation measurements

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1
Sumary
Water quality - Radium-226 - Part 2: Test method using emanometry

This document specifies a test method to determine radium-226 (226Ra) activity concentration in all types of water by emanometry.

The test method specified is suitable for the determination of the soluble, suspended and total 226Ra activity concentration in all types of water with soluble 226Ra activity concentrations greater than 0,02 Bq l−1.

The decay chains of 238U and 232Th are given in Annex A. Figure A.1 shows the 238U and its decay chain.

Replaced standards (1)
ISO 13165-2:2014
ISO 13165-2:2014
April 2014
International standard Cancelled
Water quality - Radium-226 - Part 2 : test method using emanometry

ISO 13165-2:2014 specifies the determination of radium-226 (226Ra) activity concentration in all types of water by emanometry. The method specified is suitable for the determination of the soluble, suspended, and total 226Ra activity concentration in all types of water with soluble 226Ra activity concentrations greater than 0,02 Bq l−1. In water containing high activity concentrations of 228Th, interference from 220Rn decay products can lead to overestimation of measured levels.

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