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

SS-EN-ISO-13164-4 - 2023 EDITION - CURRENT
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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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Designation Name

SS-EN ISO 13164-4:2023

Revision Level

2023 EDITION

Status

Current

Publication Date

Aug. 11, 2023

Language(s)

English

Page Count

28

International Equivalent

EN ISO 13164-4:2023(IDT); ISO 13164-4:2023(IDT)