Reference number
Ïã¸ÛÁùºÏ²Ê¿ª½± 9698:2019
International Standard
Ïã¸ÛÁùºÏ²Ê¿ª½± 9698:2019
Water quality — Tritium — Test method using liquid scintillation counting
Edition 3
2019-05
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Ïã¸ÛÁùºÏ²Ê¿ª½± 9698:2019
69649
Published (Edition 3, 2019)

Ïã¸ÛÁùºÏ²Ê¿ª½± 9698:2019

Ïã¸ÛÁùºÏ²Ê¿ª½± 9698:2019
69649
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Abstract

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 µþ±ç·±ô−1. Tritium activity concentrations below 106 µþ±ç·±ô−1 can be determined without any sample dilution.

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