Water quality. Radium-226 - Test method using coprecipitation and gamma-spectrometry Ingestion-build-64721 for operation with cryogenic fluids

for operation with cryogenic fluids in addition to operation at temperatures from ambient to cryogenic

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This Technical Report provides users with practical guidance to the use of ISO 5725‑2:1994 and presents simplified step-by-step procedures for the design

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Water quality. Radium-226 - Test method using coprecipitation and gamma-spectrometry Ingestion-build-64721 for operation with cryogenic fluids1 Scope This part of ISO 13165 specifies the determination of radium 226 (226Ra) activity concentration in all types of water by coprecipitation followed by gamma spectrometry (see ISO 185893). The method described is suitable for determination of soluble 226Ra activity concentrations greater than 0,02 Bq l1 using a sample volume of 1 l to 100 l of any water type. For water samples smaller than a volume of 1 l, direct gamma spectrometry can be