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BSI 22/30429616 DC:2022 Edition

BSI 22/30429616 DC:2022 Edition

$13.70

BS EN ISO 13168. Water quality. Simultaneous determination of tritium and carbon 14 activities. Test method using liquid scintillation counting

Published By Publication Date Number of Pages
BSI 2022 26
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PDF Catalog

PDF Pages PDF Title
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
10 3 Symbols, definitions and units
11 4 Principle
12 5 Sampling and storage
5.1 Sampling
5.2 Sample storage
6 Reagents and equipment
6.1 Reagents
6.1.1 Water for the blank
13 6.1.2 Calibration source solutions
6.1.3 Scintillation solution
14 6.1.4 Quenching agent
6.2 Equipment
7 Procedure
7.1 Sample preparation
7.2 Preparation of the counting vial
7.3 Counting procedure
7.4 Control and calibration
16 7.5 Measurement conditions
7.6 Interference control
17 8 Expression of results
8.1 General
8.2 Activity concentration of tritium
18 8.3 Activity concentration of carbon 14
8.4 Combined standard uncertainty for tritium
19 8.5 Combined standard uncertainty for carbon 14
8.6 Decision threshold for tritium
8.7 Decision threshold for carbon 14
20 8.8 Detection limit for tritium
8.9 Detection limit for carbon 14
8.10 Limits of the coverage intervals
8.10.1 Limits of the probabilistically symmetric coverage interval
21 8.10.2 Limits of the shortest coverage interval
8.11 Calculations using the activity per unit of mass
9 Test report
23 Annex€A (informative) Example
25 Bibliography

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BSI 22/30429616 DC
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