BS ISO 13169:2018
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Water quality. Uranium. Test method using alpha liquid scintillation counting
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English
07-09-2018
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 2·10−3Bq/kg and 10Bq/kg when analysing a 1l test sample volume with a 60000 s counting time with a typical alpha LSC instrument.
The ratio234U/238U can also be determined. This method has not been tested for the measurement of other uranium isotopes.
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