This International Standard specifies a method for the determination of gross beta activity in non-saline waters. The method covers non-volatile radionuclides with maximum beta energies > 0,3 MeV. Measurement of very low energy beta emitters, such as 3H, 14C, 35S and 241Pu, is not included in this International Standard. The method is applicable to the analysis of raw and potable waters.
GSO ISO 9697:2013 history
2013GSO ISO 9697:2013 Water quality - Measurement of gross beta activity in non-saline water - Thick source method