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ISO 21832:2018 Workplace air - Metals and metalloids in airborne particles - Requirements for evaluation of measuring procedures >
ISO 21832:2018 Workplace air - Metals and metalloids in airborne particles - Requirements for evaluation of measuring procedures, 2018
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Principle
- 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
- 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
- 6 Reagents and materials
- 6.1 Reagents
- 6.2 Standard solutions
- 6.3 Test materials
- 6.4 Reference air samples
- 7 Apparatus
- 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
- 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
- 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
- 8.3.3 Calculation of expanded uncertainty
- 9 Test report
- Annex A (informative) Guidance on determination of analytical recovery
- Annex B (informative) Experiments for method validation
- Annex C (informative) Estimation of uncertainty of measurement
- Annex D (informative) Interpolation of standard deviation
- Annex E (informative) Example for estimation of expanded uncertainty
- Bibliography [Go to Page]