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BS ISO 33403:2024

$167.15

Reference materials. Requirements and recommendations for use

Published By Publication Date Number of Pages
BSI 2024 36
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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
5 Conventions
11 6 RMs and their role in measurement
6.1 Common applications of RMs
13 6.2 Property values
6.2.1 General
6.2.2 Specification of the property
14 6.3 Uncertainty statement
15 6.4 Traceability statement
16 7 Handling of RMs and CRMs
8 Assessment of precision
8.1 General
17 8.2 Number of replicate measurements
8.3 Requirements with respect to the RM
18 8.4 Measurement
8.5 Data treatment
19 8.6 Calculation and assessment of precision
9 Bias assessment
9.1 General
20 9.2 Approach to bias checking
9.3 Utilizing bias data
21 10 Calibration
10.1 General
10.2 Practical considerations for calibration
22 10.3 Calibration models
11 Assigning values to other materials
11.1 General
23 11.2 Pure substances
24 11.3 Preparation of calibrants
12 Conventional scales
26 13 Selection of RMs and CRMs
13.1 General
13.2 Selection of a CRM
27 13.3 Selection of RMs
28 13.4 Relevance to the measurement system
29 Annex A (informative) Calibration models and associated uncertainty models
32 Annex B (informative) Decision errors
33 Annex C (informative) Example of conventional scales
34 Bibliography
BS ISO 33403:2024
$167.15