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ČSN EN ISO 20045 (404010)
Measurement of the radioactivity in the environment - Air: tritium - Test method using bubbler sampling
Translate name
STANDARD published on 1.1.2025
The information about the standard:
Designation standards: ČSN EN ISO 20045
Classification mark: 404010
Catalog number: 520292
Publication date standards: 1.1.2025
SKU: NS-1209533
The number of pages: 48
Approximate weight : 144 g (0.32 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN ISO 20045 (404010):
This document describes a test method to determine the activity concentration of atmospheric tritium by trapping tritium in air by bubbling through a water solution. Atmospheric tritium activity concentration levels are expressed in becquerel per cubic metre (Bq.m-3).
The formulae are given for a sampling system with four bubblers. They can also be applied to trapping systems with only one trapping module consisting of two bubblers if only tritiated water vapour (HTO) is in the atmosphere to be sampled.
This document does not cover laboratory test sample results, in becquerel per litre of trapping solution, according to ISO 9698 or ISO 13168.
The test method detection limit result is between 0,2 Bq.m-3 and 0,5 Bq.m-3 when the sampling duration is about one week
Preview of the standard ČSN EN ISO 20045 (404010)
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