BS ISO 13168:2015
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Water quality. Simultaneous determination of tritium and carbon 14 activities. Test method using liquid scintillation counting
Hardcopy , PDF
11-03-2024
English
16-07-2018
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Foreword
Introduction
1 Scope
2 Normative references
3 Symbols, definitions and units
4 Principle
5 Reagents and equipment
6 Sampling and samples
7 Procedure
8 Expression of results
9 Test report
Annex A (informative) - Example
Bibliography
Explains a test method for the simultaneous measurement of tritium and carbon-14 in water samples by liquid scintillation counting of a source obtained by mixing the water sample with a hydrophilic scintillation cocktail.
| Committee |
EH/3/8
|
| DevelopmentNote |
Supersedes 13/30274158 DC. (07/2015)
|
| DocumentType |
Standard
|
| Pages |
28
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
This International Standard describes a test method for the simultaneous measurement of tritium and carbon-14 in water samples by liquid scintillation counting of a source obtained by mixing the water sample with a hydrophilic scintillation cocktail.
This is considered a screening method because of the potential presence of interfering nuclides in the test sample.
The method can be used for any type of environmental study or monitoring.
This International Standard is applicable to all types of waters having an activity concentration ranging from 5Bq/l to 106Bq/l (upper limit of the liquid scintillation counters for direct counting). For higher activity concentrations, the sample can be diluted to obtain a test sample within this range.
| Standards | Relationship |
| ISO 13168:2015 | Identical |
| ISO/IEC 17025:2005 | General requirements for the competence of testing and calibration laboratories |
| ISO 9698:2010 | Water quality Determination of tritium activity concentration Liquid scintillation counting method |
| ISO 5667-14:2014 | Water quality Sampling Part 14: Guidance on quality assurance and quality control of environmental water sampling and handling |
| ISO 5667-3:2012 | Water quality Sampling Part 3: Preservation and handling of water samples |
| ISO/IEC Guide 99:2007 | International vocabulary of metrology Basic and general concepts and associated terms (VIM) |
| ISO 5667-1:2006 | Water quality Sampling Part 1: Guidance on the design of sampling programmes and sampling techniques |
| ISO 11929:2010 | Determination of the characteristic limits (decision threshold, detection limit and limits of the confidence interval) for measurements of ionizing radiation Fundamentals and application |
| ISO/IEC Guide 98-3:2008 | Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995) |
| ISO 80000-10:2009 | Quantities and units Part 10: Atomic and nuclear physics |
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