UNE-EN ISO 13165-3:2024
Current
The latest, up-to-date edition.
Water quality - Radium-226 - Part 3: Test method using coprecipitation and gamma-ray spectrometry (ISO 13165-3:2024) (Endorsed by Asociación Española de Normalización in January of 2025.)
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English
01-01-2025
This part of ISO 13165 specifies the determination of radium-226 (226Ra) activity concentration in all
types of water by coprecipitation followed by gamma-spectrometry (see ISO 18589-3[7]).
The method described is suitable for determination of soluble 226Ra activity concentrations greater
than 0,02 Bq l"1 using a sample volume of up to 100 l of any water type.
For water samples smaller than a volume of 1 l, direct gamma-spectrometry can be performed following
ISO 10703with a higher detection limit.
NOTE This test method can be adapted to determine other naturally occurring isotopes of radium, such as
223Ra, 224Ra, and 228Ra if the respective ingrowth periods are taken into account.
| Committee |
CTN 73
|
| DocumentType |
Standard
|
| Pages |
25
|
| PublisherName |
Asociación Española de Normalización
|
| Status |
Current
|
| Standards | Relationship |
| BS EN ISO 13165-3:2024 | Equivalent |
| I.S. EN ISO 13165-3:2024 | Equivalent |
| ISO 13165-3:2024 | Identical |
| EN ISO 13165-3:2024 | Identical |
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