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DEVELOPING A RAPID TEST METHOD FOR MEASURING VOLATILE ORGANIC COMPOUNDS FROM THREE-LAYER PARQUET WITH MICROCHAMBER

LIU WANJUN, SHEN JUN, ZHAO YANG, WANG QIFAN

Abstract


The volatile organic compounds (VOCs) released from wooden floors can cause poor indoor air quality; therefore, the 1-m3 chamber method is usually used with wooden floors to test for those VOC emissions. However, that method is costly, time consuming, and has limited application in various test environments. In this study, a rapid test method was used to detect VOC emissions from three-layer parquet under various test conditions and to compare the results with those from the traditional 1-m3 chamber method. The VOC constituents and mass were confirmed by gas chromatography-mass spectrometry. Results showed that the VOCs emitted from three-layer parquet comprised aromatic hydrocarbons and esters. The optimum conditions when sampling VOCs emitted from three-layer parquet using the rapid test method were 80°C, 60% RH, and 0.2 m3·m2·h1 area-specific airflow rate. The time required for the total VOC emissions to reach a state of equilibrium was 10 da for the rapid test method, which was 18 da shorter than the time required by the 1 m3 chamber method. Both methods detected the same VOCs and the R2 of two methods was 0.9598, which, being close to one, showed good correlation. Therefore, the rapid test method may be helpful in improving efficiency and reducing the costs associated with detection of VOCs released from wood flooring.

 


Keywords


Chamber method; Rapid test method; Micro-chamber; Three-layer parquet; VOCs

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