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  • BSI
    19/30368540 DC BS EN ISO 22515. Water quality. Iron-55. Test method using liquid scintillation counting
    Edition: 2019
    $42.22
    / user per year

Description of 19/30368540 DC 2019

This document specifies a test method for the determination of iron-55 (55Fe) activity concentration in samples of all types of water using liquid scintillation counting (LSC). Using currently available liquid scintillation counters, this test method can measure the 55Fe activity concentrations in the range of less than 30 mBq l-1 to 120 mBql-1. These values can be achieved with a counting time between 7 200 s and 10 800 s for a sample volume from 0,5 l to 1,5 l. Higher activity concentrations can be measured by either diluting the sample or using smaller sample aliquots or both.

NOTE

These are indicative values. Individual laboratories should establish their own performance parameters.

The range of application depends on the amount of dissolved material in the water and on the performance characteristics of the measurement equipment (background count rate and counting efficiency).

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



Standard Number19/30368540 DC
TitleBS EN ISO 22515. Water quality. Iron-55. Test method using liquid scintillation counting
StatusDefinitive
Publication Date2019-09-24
Identical National Standard OfISO/DIS 22515
DescriptorsWater, Quality, Iron, Test methods, Liquids
ICS13.060.60 Examination of physical properties of water, 17.240 Radiation measurements
CommitteeEH/3/8
PublisherBSI
Pages29

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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