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BS EN ISO 13165-1:2024

BS EN ISO 13165-1:2024

$142.49

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

Published By Publication Date Number of Pages
BSI 2024 24
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PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Symbols and units
5 Principle
11 6 Reagents and equipment
6.1 Reagents
6.2 Equipment
12 7 Sampling
8 Instrument set-up and calibration
8.1 Preparation of calibration sources
8.2 Optimization of counting conditions
8.3 Detection efficiency
13 8.4 Blank sample preparation and measurement
9 Procedure
9.1 Direct counting
9.2 Thermal preconcentration
14 9.3 Sample preparation
9.4 Sample measurement
10 Quality control
15 11 Expression of results
11.1 Calculation of massic activity
11.2 Standard uncertainty
16 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
17 11.5.2 Shortest coverage interval
11.6 Calculations using the activity concentration
12 Interference control
13 Test report
19 Annex A (informative) Set-up parameters and validation data[13]
23 Bibliography

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BS EN ISO 13165-1:2024
$142.49