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Preserving Reliability of Evidence Containers for Fire Debris Containing Ignitable Liquids

유류화재증거물 보관용기의 신뢰성에 관한 연구

  • Han, Dong-Hun (Fire Research Laboratory, National Fire Service Academy) ;
  • Lee, Sung-Ryong (Fire Research Laboratory, National Fire Service Academy)
  • 한동훈 (중앙소방학교 소방과학연구실) ;
  • 이성룡 (중앙소방학교 소방과학연구실)
  • Received : 2013.02.20
  • Accepted : 2013.04.05
  • Published : 2013.04.30

Abstract

It is very important for the collected samples at fire scenes to be properly preserved for laboratory analysis. Preserving abilities of four type containers, metal cans, glass jars, zipper and heat sealed polymer bags, with the five ignitable liquids (toluene, n-octane, o-xylene, n-decane and n-hexadecane) were examined with gas chromatography-mass spectrometry. The glass jars with Teflon (PTFE) liner were the best ability to prevent the evaporation of the ignitable liquids.

화재 현장에서 수집된 화재증거물은 신뢰성 있는 용기에 수집, 보관 되어 감정기관으로 제공되어야 한다. 본 연구에서는 인화성 물질 5종(톨루엔, 노말옥탄, o-자일렌, 노말데칸, 노말헥사데칸)의 장판화재 증거물과 10 ${\mu}L$의 인화성 물질 5종을 적신 킴와이프스 종이를 4가지 용기(금속캔, 유리병, 나일론 지퍼백, 나일론 실링 백)에 두고, 온도 및 보관 기간에 따라 보관한 후 시료 속의 인화성 물질 잔존 유무를 가스크로마토그래프/질량분석기를 이용하여 확인하였는데, 그 결과 테프론이 코팅된 마개를 가진 유리병의 경우가 $60^{\circ}C$에서 22일 동안 보관하여도 5종의 화학물질이 검출이 가능하여, 유리병이 보관 성능이 가장 우수함을 확인하였다.

Keywords

References

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