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BS ISO 23655-1:2022

BS ISO 23655-1:2022

$142.49

Water quality. Nickel-59 and nickel-63 – Test method using liquid scintillation counting

Published By Publication Date Number of Pages
BSI 2022 30
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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 General symbols and nickel-59 and nickel-63 specific symbols
12 5 Principle
6 Reagents
13 6.1 Standard solutions
6.1.1 Nickel-59 and 63Ni standards
6.1.2 Stable nickel standards
6.2 Chemical quenching agent
6.3 Colour quenching agent
6.4 Holdback carrier
6.5 Water
6.6 Specific reagents for chemical separation
14 7 Equipment
7.1 Laboratory equipment for direct evaporation
7.2 Liquid scintillation vials
7.3 Measurement equipment: Liquid scintillation counter
8 Sampling
15 9 Liquid scintillation set up and calibration
9.1 Window setting
9.2 Background
9.3 Calibration
17 10 Procedure
10.1 Preliminary
10.1.1 Stable nickel content
10.1.2 Iron and nickel separation
10.2 Liquid scintillation source preparation
18 11 Quality control
12 Expression of results
12.1 Nickel-59 measurements
12.1.1 Nickel recovery
12.1.2 Activity calculation
19 12.2 Nickel-63 measurements
12.3 Uncertainties and characteristic limits
12.3.1 Nickel recovery
12.3.2 Nickel-59 measurements
21 12.3.3 Nickel-63 measurements
23 12.4 Limits of the coverage interval
12.4.1 Limits of the probabilistically symmetric coverage interval
24 12.4.2 Shortest coverage interval
13 Test report
26 Annex A (normative) Isolation and purification of nickel
28 Bibliography

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BS ISO 23655-1:2022
$142.49