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BSI 23/30435266 DC 2023

BSI 23/30435266 DC 2023

$13.70

BS ISO 4702. Water quality. Zirconium 93. Test method using ICP-MS

Published By Publication Date Number of Pages
BSI 2023 25
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PDF Catalog

PDF Pages PDF Title
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
10 3 Terms and definitions
11 4 Principle
13 5 Sampling and sample storage
6 Chemical reagents and apparatus
6.1 General
6.2 Chemical reagents
14 6.3 Apparatus
7 Chemical separation
8 Quality control
8.1 General
8.2 Variables that could influence the measurement
15 8.3 Instrument verification
16 8.4 Method verification
9 Expression of results
9.1 Data analysis
9.2 Background
9.3 Internal standard
17 9.4 Using 178Hf as a recovery tracer
9.4.1 Calculation of activity of tracer and mass of analyte
9.4.2 Measurement bias
18 9.4.3 Sample mass concentration
9.5 Using 95Zr as a recovery tracer
9.5.1 Calculation of activity of tracer and mass of analyte
19 9.5.2 Chemical recovery
9.5.3 Measurement bias
9.5.4 Sample mass concentration
9.6 Detection limit
20 9.7 Limit of quantification
9.8 Correcting for 93Zr contamination in the tracer
9.9 Conversion of mass concentration to activity concentration
9.10 Conversion from mass to volume units
21 10 Test report
22 Annex€A (informative) Chemical separation of zirconium
24 Bibliography

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BSI 23/30435266 DC 2023
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