BS ISO 13168:2023 – TC:2024 Edition

$186.33

Tracked Changes. Water quality. Simultaneous determination of tritium and carbon 14 activities. Test method using liquid scintillation counting

Published By	Publication Date	Number of Pages
BSI	2024	66

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Categories: 13.060.60 - Examination of physical properties of water, BSI

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PDF Catalog

PDF Pages	PDF Title
40	National foreword
44	Foreword
45	Introduction
47	1 Scope 2 Normative references
48	3 Terms, definitions and symbols 3.1 Terms and definitions 3.2 Symbols
50	4 Principle 5 Sampling and storage 5.1 Sampling
51	5.2 Sample storage 6 Reagents and equipment 6.1 Reagents 6.1.1 Water for blank sample 6.1.2 Calibration source solutions
52	6.1.3 Scintillation solution 6.1.4 Quenching agent 6.2 Equipment 7 Procedure 7.1 Sample preparation 7.2 Preparation of the counting vial
53	7.3 Counting procedure 7.4 Control and calibration
54	7.5 Measurement conditions 7.6 Interference control
55	8 Expression of results 8.1 General 8.2 Activity concentration of tritium 8.3 Activity concentration of carbon 14
56	8.4 Combined standard uncertainty for tritium 8.5 Combined standard uncertainty for carbon 14
57	8.6 Decision threshold for tritium 8.7 Decision threshold for carbon 14 8.8 Detection limit for tritium
58	8.9 Detection limit for carbon 14 8.10 Limits of the coverage intervals 8.10.1 Limits of the probabilistically symmetric coverage interval
59	8.10.2 Limits of the shortest coverage interval 8.11 Calculations using the activity per unit of mass 9 Test report
61	Annex A (informative) Example
63	Bibliography