Validation of Radiochemical Method for the Determination of Sr-90 in Environmental Samples
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The proposed and validated method for determination of Sr-90 content in environmental samples (water, soil and plant) is based on the radiochemical analytical separation of Y-90 from the sample and measuring its activity after the establishment of radioactive equilibrium with Sr-90. Validation is the confirmation by examination and provision of objective evidence that they meet the individual requirements stipulated for a specific use. Validation of method was done based on the blank samples for water by adding Sr-90 known activity and using reference materials of soil (IAEA-326) and plant (IAEA-330). Content of Sr-90 in environmental samples was determined by alpha/beta low level proportional counter. The accuracy and the precision of the applied method are confirmed and the method is validated and can be used for determination of Sr-90 in environmental samples. On the other hand, participations in interlaboratory comparisons are confirmed that the adequacy of the validated method is ...ensured.
Кључне речи:Radiochemical method / Validation / Sr-90 / Environmental samples
Извор:Water Air and Soil Pollution, 2014, 225, 6
- Нове технологије за мониторинг и заштиту животног окружења од штетних хемијских супстанци и радијационог оптерећења (RS-43009)
ISSN: 0049-6979 (print); 1573-2932 (electronic)