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National standards and national normative documents

Publication date

July 2017

Number of pages

22 p.

Reference

NF ISO 13165-3

ICS Codes

13.060.60 Examination of physical properties of water

17.240 Radiation measurements

Print number

1

International kinship

ISO 13165-3:2016

Replaced standards (1)

NF M60-803-2

June 2012

Standard Cancelled

Nuclear energy - Measurement of radioactivity in the environment - Water - Part 2 : measurement of radium 226 activity in water - Method by coprecipitation and gamma spectrometry

Standard replaced by (1)

NF EN ISO 13165-3

February 2020

Standard Cancelled

Water quality - Radium-226 - Part 3 : test method using coprecipitation and gamma-spectrometry

ISO 13165-3:2016 specifies the determination of radium-226 (226Ra) activity concentration in all types of water by coprecipitation followed by gamma-spectrometry (see ISO 18589‑3). The method described is suitable for determination of soluble 226Ra activity concentrations greater than 0,02 Bq l−1 using a sample volume of 1 l to 100 l of any water type. For water samples smaller than a volume of 1 l, direct gamma-spectrometry can be performed following ISO 10703 with a higher detection limit. NOTE This test method also allows other isotopes of radium, 223Ra, 224Ra, and 228Ra, to be determined.

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