ČSN EN ISO 13165-1
Kvalita vod - Radium-226 - Část 1: Kapalinová scintilační metoda úvod k normě
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ČSN EN ISO 13165-1
This document specifies the determination of radium-226 (226Ra) activity concentration in non-saline water samples by extraction of its daughter radon-222 (222Rn) and its measurement using liquid scintillation analysis.
The test method described in this document, using currently available scintillation counters, has a detection limit of approximately 50 mBq˙l-1. This method is not applicable to the measurement of other radium isotopes.
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