Standard

NS-EN ISO 13164-4:2020

Tilbaketrukket

Merknad: Denne standarden har en ny utgave: NS-EN ISO 13164-4:2023

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Omfang

ISO 13164-4:2015 describes a test method for the determination of radon-222 (222Rn) activity concentration in non-saline waters by extraction and liquid scintillation counting.The radon-222 activity concentrations, which can be measured by this test method utilizing currently available instruments, are at least above 0,5 Bq l−1 for a 10 ml test sample and a measuring time of 1 h.This test method can be used successfully with drinking water samples and 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.

Dokumentinformasjon

  • Standard fra SN
  • Publisert:
  • Tilbaketrukket:
  • Utgave: 2020-02
  • Versjon: 1
  • Varetype: NAT
  • ICS 13.060.60
  • ICS 13.280
  • ICS 17.240
  • National Committee SN/K 153

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