ISO 12219-3:2012
Interior air of road vehicles — Part 3: Screening method for the determination of the emissions of volatile organic compounds from vehicle interior parts and materials — Micro-scale chamber method
ISO 12219-3:2012 specifies a fast, qualitative and semiquantitative screening method for vapour-phase organic compounds (volatile and some semi-volatile) released from vehicle trim materials under simulated real-use conditions using micro-scale test chambers. This method is intended for evaluating new car interior trim components but can, in principle, also be applied to used car components.
Target analytes include VOCs (conventionally defined as organic compounds in the volatility range of n-hexane to n-hexadecane) and volatile carbonyl compounds such as formaldehyde. The specified analytical procedure for VOCs is ISO 16000‑6 and for formaldehyde and some other light carbonyl compounds is ISO 16000‑3.
ISO 12219-3:2012 provides third party test laboratories and manufacturing industry with a cost-effective approach for: a) monitoring and screening VOC emissions as part of routine quality control; b) monitoring product uniformity or conformity between formal certification tests; c) comparing emissions from products within a range (e.g. different colours or patterns); d) evaluating prototype, "low-emission" materials or products during development.
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CVP_Secretariat_Loca
Annex F (informative) Calculation of specific emission rates from micro-scale chamber air concentration
Bibliography
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Test conditions
6.1 Temperature
6.2 Air or gas flow rate through the micro-scale chamber
6.3 Quality of supplied air or gas and background concentration of organic vapours
6.4 Control measures
7 Test specimens
7.1 General
7.2 Preparation of the test specimen
8 Cleaning micro-scale chamber components
9 Test method
9.1 Sampling media
9.2 Measuring background concentrations
9.3 Vapour sampling
9.4 Sealing the vapour sampling devices after gas sample collection
9.5 Analysis of vapour sampling devices
9.6 Storage of the test specimen between emissions tests (if required)
9.7 Cleaning the micro-scale chamber after use
10 Calculation of vapour concentrations and specific emission rates
11 Test report
12 Quality assurance/quality control
Annex A (informative) Micro-scale chamber principles
Annex B (informative) Micro-scale chamber — Example 1
Annex C (informative) Micro-scale chamber — Example 2
Annex D (informative) Micro-scale chamber — Example 3
Annex E (informative) Assessment of VOC recoveries
Annex F (informative) Calculation of specific emission rates from micro-scale chamber air concentration
Bibliography
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CVP_Secretariat_Loca
Annex F (informative) Calculation of specific emission rates from micro-scale chamber air concentration
Bibliography
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Test conditions
6.1 Temperature
6.2 Air or gas flow rate through the micro-scale chamber
6.3 Quality of supplied air or gas and background concentration of organic vapours
6.4 Control measures
7 Test specimens
7.1 General
7.2 Preparation of the test specimen
8 Cleaning micro-scale chamber components
9 Test method
9.1 Sampling media
9.2 Measuring background concentrations
9.3 Vapour sampling
9.4 Sealing the vapour sampling devices after gas sample collection
9.5 Analysis of vapour sampling devices
9.6 Storage of the test specimen between emissions tests (if required)
9.7 Cleaning the micro-scale chamber after use
10 Calculation of vapour concentrations and specific emission rates
11 Test report
12 Quality assurance/quality control
Annex A (informative) Micro-scale chamber principles
Annex B (informative) Micro-scale chamber — Example 1
Annex C (informative) Micro-scale chamber — Example 2
Annex D (informative) Micro-scale chamber — Example 3
Annex E (informative) Assessment of VOC recoveries
Annex F (informative) Calculation of specific emission rates from micro-scale chamber air concentration
Bibliography