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  • BSI
    20/30392379 DC BS EN ISO 13162. Water quality. Carbon 14. Test method using liquid scintillation counting
    Edition: 2020
    $42.22
    / user per year

Description of 20/30392379 DC 2020

This document specifies a method for the measurement of 14C activity concentration in all types of water samples by liquid scintillation counting either directly on the test sample or following a chemical separation.

The method is applicable to test samples of supply/drinking water, rainwater, surface and ground water, marine water, as well as cooling water, industrial water, domestic, and industrial wastewater.

The detection limit depends on the sample volume, the instrument used, the sample counting time, the background count rate, the detection efficiency and the chemical recovery. The method described in this document, using currently available liquid scintillation counters and suitable technical conditions has a detection limit as low as 1 Bq l−1, which is lower than the WHO criteria for safe consumption of drinking water (100 Bq·l-1). 14C activity concentrations can be measured up to 106 Bq l-1 without any sample dilution.

It is the user’s responsibility to ensure the validity of this test method for the water samples tested.



Standard Number20/30392379 DC
TitleBS EN ISO 13162. Water quality. Carbon 14. Test method using liquid scintillation counting
StatusDefinitive
Publication Date2020-02-03
Identical National Standard OfISO/DIS 13162
DescriptorsWater, Tritium, Water pollution, Liquids, Carbon, Scintillation counters, Test methods, Water testing, Measurement, Quality, Determination of content
ICS17.240 Radiation measurements, 13.060.60 Examination of physical properties of water
CommitteeEH/3/8
PublisherBSI
Pages31

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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