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NS-EN ISO 13164-4:2023

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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.

Document information

  • Standard from SN
  • Published:
  • Edition: 2023-07
  • Version: 1
  • Document type: NAT
  • National Committee SN/K 153
  • ICS 13.060.60
  • ICS 17.240

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