DIN EN ISO 22125-1:2019 Edition

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Water quality – Technetium-99 – Part 1: Test method using liquid scintillation counting (Draft)

Published By	Publication Date	Number of Pages
DIN	2019-09	61

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Categories: 13.060.60 - Examination of physical properties of water, 17.240 - Radiation measurements, DIN

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Description

This standard specifies a method for the measurement of 99Tc in all types of waters by liquidscintillation counting (LSC).The detection limit depends on the sample volume and the instrument used. The method described inthis standard, using currently available LSC counters, has a detection limit of approximately 5 to 20Bq x kg-1, which is lower than the WHO criteria for safe consumption of drinking water (100 Bq x l-1).These values can be achieved with a counting time of 30 minutes for a sample volume varyingbetween 14 to 40 ml. The methods presented in this standard are not intended for the determination ofultra-trace amount of 99Tc.

Additional information

Published Code	DIN
Published By	Deutsches Institut für Normung
Publication Date	2019-09
Pages Count	61
Language	Germany
Descriptors	Activity concentration, Analysis, Determination of content, Liquid scintillation counting, Mathematical calculations, Measurement, Radionuclides, Sampling methods, Scintillation counters, Technetium, Testing, Verification, Water, Water analysis, Water practice, Water quality, Water testing
File Size	2.6 MB
ICS Codes	13.060.60 - Examination of physical properties of water 17.240 - Radiation measurements

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DIN EN ISO 22125-1:2019 Edition

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