NF EN ISO 13164-4

NF EN ISO 13164-4

February 2020
Standard Cancelled

Water quality - Radon-222 - Part 4 : test method using two-phase liquid scintillation counting

ISO 13164-4:2015 describes a test method for the determination of radon-222 (222Rn) activity concentration in non-saline waters by extraction and liquid scintillation counting.The radon-222 activity concentrations, which can be measured by this test method utilizing currently available instruments, are at least above 0,5 Bq l−1 for a 10 ml test sample and a measuring time of 1 h.This test method can be used successfully with drinking water samples and it is the responsibility of the laboratory to ensure the validity of this test method for water samples of untested matrices.Annex A gives indication on the necessary counting conditions to meet the required detection limits for drinking water monitoring.

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Main informations

Collections

National standards and national normative documents

Thematics

, ,

Publication date

February 2020

Number of pages

24 p.

Reference

NF EN ISO 13164-4

ICS Codes

13.060.60   Examination of physical properties of water
13.280   Radiation protection
17.240   Radiation measurements
27.120.01   Nuclear energy in general

Classification index

M60-761-4

Print number

1

International kinship

ISO 13164-4:2015

European kinship

EN ISO 13164-4:2020
Sumary
Water quality - Radon-222 - Part 4 : test method using two-phase liquid scintillation counting

ISO 13164-4:2015 describes a test method for the determination of radon-222 (222Rn) activity concentration in non-saline waters by extraction and liquid scintillation counting.

The radon-222 activity concentrations, which can be measured by this test method utilizing currently available instruments, are at least above 0,5 Bq l−1 for a 10 ml test sample and a measuring time of 1 h.

This test method can be used successfully with drinking water samples and it is the responsibility of the laboratory to ensure the validity of this test method for water samples of untested matrices.

Annex A gives indication on the necessary counting conditions to meet the required detection limits for drinking water monitoring.

Replaced standards (1)
NF ISO 13164-4
August 2015
Standard Cancelled
Water quality - Radon-222 - Part 4 : test method using two-phase liquid scintillation counting

ISO 13164-4:2015 describes a test method for the determination of radon-222 (222Rn) activity concentration in non-saline waters by extraction and liquid scintillation counting. The radon-222 activity concentrations, which can be measured by this test method utilizing currently available instruments, are at least above 0,5 Bq l−1 for a 10 ml test sample and a measuring time of 1 h. This test method can be used successfully with drinking water samples and it is the responsibility of the laboratory to ensure the validity of this test method for water samples of untested matrices. Annex A gives indication on the necessary counting conditions to meet the required detection limits for drinking water monitoring.

Standard replaced by (1)
NF EN ISO 13164-4
July 2023
Standard Current
Water quality - Radon-222 - Part 4 : test method using two-phase liquid scintillation counting

This document describes a test method for the determination of radon-222 (222Rn) activity concentration in non-saline waters by extraction and liquid scintillation counting. The 222Rn activity concentrations, which can be measured by this test method utilizing currently available instruments, are above 0,5 Bq·l−1 which is the typical detection limit for a 10 ml test sample and a measuring time of 1 h. It is the responsibility of the laboratory to ensure the validity of this test method for water samples of untested matrices. Annex A gives indication on the necessary counting conditions to meet the required detection limits for drinking water monitoring.

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