ISO 13164-4:2023
p
ISO 13164-4:2023
83055
недоступно на русском языке

Тезис

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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.


Общая информация 

  •  : Опубликовано
     : 2023-07
  •  : 2
  •  : ISO/TC 147/SC 3 Radioactivity measurements
  •  :
    13.280 Radiation protection
    17.240 Radiation measurements
    13.060.60 Examination of physical properties of water

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