ISO 12219-9:2019
Interior air of road vehicles — Part 9: Determination of the emissions of volatile organic compounds from vehicle interior parts — Large bag method
This document specifies a large bag sampling method for measuring volatile organic compounds (VOCs), formaldehyde and other carbonyl compounds which are emitted from vehicle interior parts into the air inside road vehicles. This method is intended for evaluation of large new vehicle interior parts, and complete assemblies. This is a screening method to compare similar car components under similar test conditions on a routine basis.
Evaluating VOC emissions of vehicle interior parts is an important aspect of the vehicle indoor air quality.
This document is complementary to existing standards and provides test laboratories and the manufacturing industry with a cost-effective evaluation of vehicle interior parts. This method is only applicable to newly manufactured vehicle parts. This method is applicable to all types of vehicles, and vehicle products which are used as parts in the interior of vehicles.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus and materials
5.1 General
5.2 Large sampling bag
5.2.1 General
5.2.2 Material
5.2.3 Air tightness
5.2.4 Bag blank concentration
5.3 Purity of the filling gas
5.4 Thermostatic oven
5.5 Pumps
5.6 Integrating flow meter or gas meter
6 Test conditions
6.1 General
6.2 Vehicle interior parts
6.3 Storage period and storage conditions
6.4 Heating temperature
6.5 Heating time
6.6 Gas amount to be filled in a sampling bag
7 Verification of test conditions
7.1 Monitoring of test conditions
7.2 Recovery rate
8 Test method
8.1 Test equipment
8.2 Preparation for testing
8.2.1 Heated cleaning of sampling bag
8.2.2 Preparation of large sampling bags
8.3 Emission test
8.4 Gas sampling
9 Analysis procedures
9.1 Analysis of VOC
9.2 Analysis of formaldehyde and other carbonyl compounds
10 Calculation of sampling bag values
11 Test report
12 Quality assurance/quality control (QA/QC)
Annex A (informative) Summary for heated cleaning process for large sampling bags
Annex B (informative) Supplement on test report and recovery rate
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus and materials
5.1 General
5.2 Large sampling bag
5.2.1 General
5.2.2 Material
5.2.3 Air tightness
5.2.4 Bag blank concentration
5.3 Purity of the filling gas
5.4 Thermostatic oven
5.5 Pumps
5.6 Integrating flow meter or gas meter
6 Test conditions
6.1 General
6.2 Vehicle interior parts
6.3 Storage period and storage conditions
6.4 Heating temperature
6.5 Heating time
6.6 Gas amount to be filled in a sampling bag
7 Verification of test conditions
7.1 Monitoring of test conditions
7.2 Recovery rate
8 Test method
8.1 Test equipment
8.2 Preparation for testing
8.2.1 Heated cleaning of sampling bag
8.2.2 Preparation of large sampling bags
8.3 Emission test
8.4 Gas sampling
9 Analysis procedures
9.1 Analysis of VOC
9.2 Analysis of formaldehyde and other carbonyl compounds
10 Calculation of sampling bag values
11 Test report
12 Quality assurance/quality control (QA/QC)
Annex A (informative) Summary for heated cleaning process for large sampling bags
Annex B (informative) Supplement on test report and recovery rate
Bibliography