ISO 13169:2018 PDF
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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.
| Edition | 2018 |
|---|---|
| Published Date | 2018 |
| Published By | International Standardization Organisation |
| Page Count | 14 |
