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БДС EN ISO 13164-4:2023

Water quality - Radon-222 - Part 4: Test method using two-phase liquid scintillation counting (ISO 13164-4:2023)

Sep 19, 2023

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60.60     Sep 19, 2023

BDS

ТК-15

European Standard

13.060.60     17.240     13.280  

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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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БДС EN ISO 13164-4:2020

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БДС EN ISO 13164-4:2023
60.60 Standard published
Sep 19, 2023

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Adopted from EN ISO 13164-4:2023

Adopted from ISO 13164-4:2023