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BSI 23/30447879 DC 2023

BSI 23/30447879 DC 2023

$13.70

BS EN ISO 13165-3. Water quality. Radium-226 – Part 3. Test method using coprecipitation and gamma-spectrometry

Published By Publication Date Number of Pages
BSI 2023 23
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PDF Catalog

PDF Pages PDF Title
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Symbols
11 5 Principle of the measurement
6 Reagents and equipment
6.1 Reagents
12 6.2 Equipment
7 Sampling
7.1 Sample collection
7.2 Sample transport and storage
13 8 Procedures
8.1 Blank sample preparation
8.2 Sample preparation
8.3 Counting procedure
14 9 Quality assurance and quality control programme
9.1 General
9.2 Influence quantities
9.3 Method verification
9.4 Demonstration of analyst capability
15 10 Expression of results
10.1 General
10.2 Water-soluble 226Ra activity concentration
10.3 Standard uncertainty of activity concentration
16 10.4 Decision threshold
10.5 Detection limit
10.6 Limits of the coverage intervals
10.6.1 Limits of the probabilistically symmetric coverage interval
17 10.6.2 The shortest coverage interval
10.7 Corrections for contributions from other radionuclides and background
10.7.1 General
18 10.7.2 Contribution from other radionuclides
19 10.7.3 Contribution from background
11 Test report
21 Annex€A (informative) Uranium, Thorium and Neptunium and their decay chains
23 Bibliography

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BSI 23/30447879 DC 2023
$13.70