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KMID : 0950020050310010031
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Journal of Health Science & Medical Technology
2005 Volume.31 No. 1 p.31 ~ p.37
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A Comperative study of Active and passive sampler for Formaldehyde and Volatile Organic Compounds(VOCs)
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Byeon Sang-Hoon
Son Jae-Hun
Sohn Jong-Ryeul
Kim Young-Hwan
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Abstract
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This study was investigated for efficiency of sampling to active and passive sampling of formaldehyde and volatile organic compounds. Passive sampling method was more simple than active sampling method. The difference of passive and active sampling was not significant for form aldehyde. But the passive sampling method of VOCs in indoor air was difficult that passive sampling rate was very low. Thermal desorption method for VOCs was more efficiency than passive sampling. Because thermal desorption method had low limit of detection(LOD) for VOCs, sampling time did not need long time. Formaldehyde concentrations in some shopping mall were over 0.1 ppm (standard concentration in indoor air). It need more to investigate formaldehyde concentration in shopping mall in the future.
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KEYWORD
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formaldehyde, Volatile Organic Compounds, passive sampling, active sampling
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