I.S. EN ISO 20042:2021
Current
The latest, up-to-date edition.
Measurement of radioactivity - Gamma-ray emitting radionuclides - Generic test method using gamma-ray spectrometry (ISO 20042:2019)
Hardcopy , PDF
English
08-22-2021
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and units
5 Principle
6 Validating measurements by gamma-ray spectrometry
7 Nuclear decay data
8 Detector energy and efficiency calibration
9 Sample container
10 Procedure
11 Expression of results
12 Test report
Annex A (informative) Quality assurance and quality control program
Annex B (informative) Corrections to the analysis process
Annex C (informative) Uncertainty budget
Annex D (informative) Detector types
Annex E (informative) Example: Calculation of 137Cs activity content and characteristic limits in an aqueous sample
Annex F (informative) Example: Simulating correction factors for sample positioning, geometry, matrix, density and true summing
Bibliography
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