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BS EN ISO 13165-1:2024 – TC

BS EN ISO 13165-1:2024 – TC

$186.33

Tracked Changes. Water quality. Radium-226 – Test method using liquid scintillation counting

Published By Publication Date Number of Pages
BSI 2024 56
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PDF Catalog

PDF Pages PDF Title
33 undefined
37 Foreword
38 Introduction
40 1 Scope
2 Normative references
3 Terms and definitions
41 4 Symbols and units
5 Principle
42 6 Reagents and equipment
6.1 Reagents
6.2 Equipment
43 7 Sampling
8 Instrument set-up and calibration
8.1 Preparation of calibration sources
8.2 Optimization of counting conditions
8.3 Detection efficiency
44 8.4 Blank sample preparation and measurement
9 Procedure
9.1 Direct counting
9.2 Thermal preconcentration
45 9.3 Sample preparation
9.4 Sample measurement
10 Quality control
46 11 Expression of results
11.1 Calculation of massic activity
11.2 Standard uncertainty
47 11.3 Decision threshold
11.4 Detection limit
11.5 Limits of the coverage intervals
11.5.1 Limits of the probabilistically symmetric coverage interval
48 11.5.2 Shortest coverage interval
11.6 Calculations using the activity concentration
12 Interference control
13 Test report
50 Annex A (informative) Set-up parameters and validation data[13]
54 Bibliography

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BS EN ISO 13165-1:2024 - TC
$186.33