This document specifies performance requirements and test methods under prescribed laboratory conditions for the evaluation of pumped samplers used in conjunction with an air sampling pump and of procedures using these samplers for the determination of gases and vapours in workplace atmospheres. This document addresses requirements for method developers and/or manufacturers. NOTE 1 For the purposes of this document, a manufacturer can be any commercial or non-commercial entity. NOTE 2 For the sampling of semi-volatile compounds which can appear as a mixture of vapours and airborne particles in workplace atmospheres see EN 13936. This document is applicable to pumped samplers and measuring procedures using these samplers in which sampling and analysis are carried out in separate stages. This document is not applicable to: — pumped samplers which are used for the direct determination of concentrations, for example, length-of-stain detector tubes; — samplers which rely on sorption into a liquid, and subsequent analysis of the solution (bubblers).
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Sisällysluettelo
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Sampler types
6 Requirements
6.1 General
6.2 Sampler requirements
6.3 Measuring procedure requirements
7 General test conditions
7.1 Reagents
7.2 Apparatus
7.3 Calibration gas mixture
8 Test methods
8.1 General
8.2 Sampler test methods
8.3 Measuring procedure test methods
8.4 Uncertainty of measurement
9 Test report
Annex A Examples for the determination of the breakthrough volume (informative)
Annex B Experiments for method validation (informative)
Annex C Estimation of uncertainty of measurement (informative)
Annex D Example for estimation of expanded uncertainty (informative)
ISO 13137:2013 Workplace atmospheres -- Pumps for personal sampling of chemical and biological agents -- Requirements and test methods
ISO 18158:2016 Workplace air -- Terminology
ISO 20581:2016 Workplace air -- General requirements for the performance of procedures for the measurement of chemical agents
ISO 13137:2013 Workplace atmospheres -- Pumps for personal sampling of chemical and biological agents -- Requirements and test methods
ISO 18158:2016 Workplace air -- Terminology
ISO 20581:2016 Workplace air -- General requirements for the performance of procedures for the measurement of chemical agents
ISO 8655-2:2002 Piston-operated volumetric apparatus -- Part 2: Piston pipettes
ISO 8655-6:2002 Piston-operated volumetric apparatus -- Part 6: Gravimetric methods for the determination of measurement error