EN ISO 9698:2019
水的质量.氚活度浓度的测定.液体闪烁计数法

Water quality - Tritium - Test method using liquid scintillation counting

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标准号

EN ISO 9698:2019

发布

2019年

发布单位

CEN - European Committee for Standardization

当前最新

EN ISO 9698:2019

 

 

适用范围

This document specifies a method by liquid scintillation counting for the determination of tritium activity concentration in samples of marine waters@ surface waters@ ground waters@ rain waters@ drinking waters or of tritiated water ([3H]H2O) in effluents. The method is not directly applicable to the analysis of organically bound tritium; its determination requires additional chemical processing of the sample (such as chemical oxidation or combustion). With suitable technical conditions@ the detection limit may be as low as 1 Bq??l?1. Tritium activity concentrations below 106 Bq??l?1 can be determined without any sample dilution.

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