Standard

ISO 13164-4:2023

Jul 2023 Current

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Abstract

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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Standard from ISO
Published: July 20 2023
Edition: 2
Document type: IS
Pages
ISBN:

Publisher: ISO
Distributor: ISO
ICS: 13.060.60
ICS: 13.280
ICS: 17.240
International TC: ISO/TC 147/SC 3

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Adopted by: NF EN ISO 13164-4:2023
Revises: ISO 13164-4:2015

ISO 13164-4:2023

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ISO 13164-4:2023

ISO 13164-4:2015

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ISO 13164-4:2023

ISO 13164-4:2015

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