ISO 13169:2018 Preview

Water quality -- Uranium -- Test method using alpha liquid scintillation counting

This document specifies the measurement method for the determination of total activity concentration of uranium isotopes in non-saline waters by extraction and liquid scintillation counting.

This method covers the measurement of soluble uranium isotopes in water in activity concentrations between approximately 2·10−3 Bq/kg and 10 Bq/kg when analysing a 1 l test sample volume with a 60 000 s counting time with a typical alpha LSC instrument.

The ratio 234U/238U can also be determined. This method has not been tested for the measurement of other uranium isotopes.


General information

  • Status :  Published
    Publication date : 2018-07
  • Edition : 1
    Number of pages : 14
  • :
    ISO/TC 147/SC 3
    Radioactivity measurements
  • 13.060.60
    Examination of physical properties of water
    17.240
    Radiation measurements

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