GB/T 32443-2015 in English
VALIDDetermination of the emission of volatile organic compounds from furniture—Emission test cell method
- Issued on:2015-12-31
- Implemented on:2016-07-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
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《GB/T 32443-2015家具中挥发性有机物释放量的测定 小型散发罩法》由TC480（全国家具标准化技术委员会）归口，主管部门为中国轻工业联合会。
本标准规定了小型散发罩法测定家具中挥发性有机物释放量的术语和定义、原理、小型散发罩系统、设备、试验条件、试验条件的校准、测试试样、小型散发罩的准备、分析步骤、结果计算、检验报告。
本标准适用于家具中挥发性有机物释放量的测定。
Introduction
1. Standard Overview
GB/T32443-2015 specifies the terms and definitions, principles, equipment requirements, test conditions and result calculation methods for the determination of volatile organic compound emissions from furniture using the small-scale hood method. This standard is applicable to all types of furniture materials and aims to evaluate their impact on indoor air quality.
2. Standard Framework Comparison
| Standard Dimensions | GB/T32443-2015 | ISO Reference Standard | Scope of Application |
|---|---|---|---|
| Term Definition | Specify terms such as small-scale hood and air flow. | ISO12460-1 defines the test method for volatile organic compound emissions. | Furniture and material testing. |
| Principles and methods | Emissions are calculated based on air exchange rate and concentration measurement. | Long-term emission testing is performed in a closed test chamber. | Indoor air quality assessment. |
| Equipment requirements | Includes a small hood, flow meter and humidity control system. | Analyze volatile organic compounds using a gas chromatograph. | Laboratory testing equipment configuration. |
3. Implementation Suggestions
3.1 Test Condition Control
The test should be carried out in an environment with a temperature of (23±2)℃ and a relative humidity of (45±5)%. The air flow and flow rate must be strictly calibrated to ensure the accuracy of the experimental results.
3.2 Sample Preparation
The samples should be conditioned before testing and the storage conditions should be recorded. It is recommended to use an inert substrate to seal the lower surface of the sample to reduce the risk of contamination.
3.3 Data Analysis and Report
When calculating the area-specific release rate of volatile organic compounds, the influence of background concentration must be deducted. The results should include a description of the sample location, test conditions and laboratory information.
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