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BS EN ISO 21832:2020

BS EN ISO 21832:2020

$189.07

Workplace air. Metals and metalloids in airborne particles. Requirements for evaluation of measuring procedures

Published By Publication Date Number of Pages
BSI 2020 48
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This document specifies performance requirements and test methods for the evaluation of procedures for measuring metals and metalloids in airborne particles sampled onto a suitable collection substrate.

This document specifies a method for estimating the uncertainties associated with random and systematic errors and combining them to calculate the expanded uncertainty of the measuring procedure as a whole, as prescribed in ISO 20581.

This document is applicable to measuring procedures in which sampling and analysis is carried out in separate stages, but it does not specify performance requirements for collection, transport and storage of samples, since these are addressed in EN 13205-1 and ISO 15767.

This document does not apply to procedures for measuring metals or metalloids present as inorganic gases or vapours (e.g. mercury, arsenic) or to procedures for measuring metals and metalloids in compounds that could be present as a particle/vapour mixture (e.g. arsenic trioxide).

PDF Catalog

PDF Pages PDF Title
2 undefined
5 European foreword
Endorsement notice
8 Foreword
9 Introduction
11 1 Scope
2 Normative references
3 Terms and definitions
12 4 Principle
13 5 Requirements
5.1 Method description
5.1.1 Application range
5.1.2 Method performance
5.1.3 Safety information
5.1.4 Samplers
14 5.1.5 Sampling pumps
5.1.6 Other requirements
5.2 Performance requirements
5.2.1 Limit of quantification (LOQ)
5.2.2 Analytical recovery
5.2.3 Expanded uncertainty
15 6 Reagents and materials
6.1 Reagents
6.2 Standard solutions
6.3 Test materials
6.4 Reference air samples
7 Apparatus
16 8 Test methods
8.1 LOD and LOQ
8.1.1 Instrumental detection limit (IDL)
8.1.2 Method LOD and LOQ
8.2 Analytical recovery
8.2.1 General
17 8.2.2 Measuring procedures for soluble compounds of metals and metalloids
8.2.3 Measuring procedures for total metals and metalloids that involve sample dissolution
18 8.2.4 Measuring procedures that do not involve sample dissolution
8.3 Measurement uncertainty
8.3.1 Identification of random and non-random uncertainty components
8.3.2 Estimation of individual uncertainty components
19 8.3.3 Calculation of expanded uncertainty
9 Test report
21 Annex A (informative) Guidance on determination of analytical recovery
23 Annex B (informative) Experiments for method validation
24 Annex C (informative) Estimation of uncertainty of measurement
40 Annex D (informative) Interpolation of standard deviation
42 Annex E (informative) Example for estimation of expanded uncertainty
46 Bibliography

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BS EN ISO 21832:2020
$189.07