ISO-13164-4 › Water quality - Radon-222 - Part 4: Test method using two-phase liquid scintillation counting
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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.
To find similar documents by classification:
13.060.60 (Examination of physical properties of water)
17.240 (Radiation measurements Including dosimetry Radiation protection, see 13.280)
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Document Number
ISO 13164-4:2023
Revision Level
2ND EDITION
Status
Current
Publication Date
July 1, 2023
Committee Number
ISO/TC 147/SC 3