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ISO 13169:2018
ISO 13169:2018-Water quality — Uranium — Test method using alpha liquid scintillation counting
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Standard´s number: | ISO 13169:2018 |
Pages: | 14 |
Edition: | 1 |
Released: | 2018 |
DESCRIPTION
ISO 13169:2018
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 2·10−3 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.