09/30196542 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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BS ISO 9698 - WATER QUALITY - DETERMINATION OF TRITIUM ACTIVITY CONCENTRATION - LIQUID SCINTILLATION COUNTING METHOD
Hardcopy , PDF
31-03-2011
English
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Foreword
Introduction
1 Scope
2 Normative references
3 Symbols, definitions and units
4 Principle
5 Reagents and equipment
5.1 Reagents
5.2 Equipment
6 Sampling and samples
6.1 Sampling
6.2 Sample storage
7 Procedure
7.1 Sample preparation
7.2 Preparation of the sources to be measured
7.3 Counting procedure
8 Expression of results
8.1 Calculation of activity concentration
8.2 Decision threshold
8.3 Detection limit
8.4 Confidence interval limits
8.5 Calculations using the activity per unit of mass
9 Test report
Annex A (informative) - Numerical applications
Annex B (informative) - Distillation of large volume sample
Annex C (informative) - Internal standard methods
Annex D (informative) - Distillation of small volume sample
Annex E (informative) - Screening method for wet matrices
Bibliography
BS ISO 9698
| Committee |
EH/3
|
| DocumentType |
Draft
|
| Pages |
32
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| ISO/IEC 17025:2005 | General requirements for the competence of testing and calibration laboratories |
| ISO/IEC Guide 98:1993 | Guide to the expression of uncertainty in measurement (GUM) |
| 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 |
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