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김정임 ( Jung Im Kim ),최근형 ( Geun Hyoung Choi ),권오경 ( Oh Kyung Kwon ),홍수명 ( Su Myeong Hong ),박연기 ( Yun Gi Park ),옥용식 ( Yong Sik Ok ),김진효 ( Jin Hyo Kim ) 한국응용생명화학회(구 한국농화학회) 2012 Journal of Applied Biological Chemistry (J. Appl. Vol.55 No.1
We designed a new rapid detection method for volatilized formaldehyde from wood. The process was installed with volatilizing and collecting parts in an incubator. For rapid sampling of formaldehyde from wood, we pulverized the wood to sawdust, and used 0.15-2.0 mm particles for the tests. The highest sampling rate (94.8%) was obtained at 40 mL/min flow rate and 100oC. Under the optimized condition, we could collect the volatilized formaldehyde with good recovery rate. The developed method was applied to the monitoring of the formaldehyde from wood, and the measured concentrations were 0.7-4.6 μg/g from natural wood, 5.9-12.3 μg/g from preserved wood, and 5.9- 211.5 μg/g from chemical adhesive processed wood. From the results, we identified natural wood sawdust and chemically processed wood (medium density fiberboard, high density fiberboard, particle board) by the formaldehyde contents except preserved wood.