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About This Item

 

Full Description

ISO 9697:2015 specifies a test method for the determination of gross beta activity concentration in non-saline waters. The method covers non-volatile radionuclides with maximum beta energies of approximately 0,3 MeV or higher. Measurement of low energy beta emitters (e.g. 3H, 228Ra, 210Pb, 14C, 35S, and 241Pu) and some gaseous or volatile radionuclides (e.g. radon and radioiodine) might not be included in the gross beta quantification using the test method described in ISO 9697:2015.

This test method is applicable to the analysis of raw and drinking waters. The range of application depends on the amount of total soluble salts in the water and on the performance characteristics (background count rate and counting efficiency) of the counter used. It is the laboratory's responsibility to ensure the suitability of this method for the water samples tested.

 

Document History

  1. ISO 9697:2018


    Water quality - Gross beta activity - Test method using thick source

    • Most Recent
  2. ISO 9697:2015

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    Water quality - Gross beta activity in non-saline water - Test method using thick source

    • Historical Version
  3. ISO 9697:2008


    Water quality - Measurement of gross beta activity in non-saline water - Thick source method

    • Historical Version
  4. ISO 9697:1992


    Water quality - Measurement of gross beta activity in non-saline water

    • Historical Version