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Volatile organic components of gel pen inks by HS-SPME GC/MS

HS-SPME GC/MS를 이용한 젤펜잉크의 휘발성 성분

  • Kim, Chang-Seong (Hazard Evaluation Center, KoreaTesting & Research Institute) ;
  • Choi, Mi-Jung (Dept. of Scientific Criminal Investigation, Chungnam National University) ;
  • Sun, Yale-Shik (Hazard Evaluation Center, KoreaTesting & Research Institute) ;
  • Park, Sung-Woo (Dept. of Scientific Criminal Investigation, Chungnam National University)
  • 김창성 (한국화학시험연구원) ;
  • 최미정 (충남대학교 과학수사학과) ;
  • 선일식 (한국화학시험연구원) ;
  • 박성우 (충남대학교 과학수사학과)
  • Received : 2010.06.18
  • Accepted : 2010.07.28
  • Published : 2010.08.25

Abstract

In this study, VOCs of black gel pen inks was screening to identify individual characteristic of gel pen inks. Detected VOCs was total 20 species(isopropylalcohol, 2-methyl-2-propanol, 2-butanone, hydrazinecarbothioamide, benzeneacetic acid (ethyl ester), benzeneacetic acid, dimethoxymethy-silane, 2,2-dimethoxybutane, tetrahydro-2-methyl-furan, 1,2-ethanediol, silicic acid (tetramethyl ester), 1,2-propanediol, propyleneglycol, 3-ethyl-3-hexanol, 1,1-dipropoxy-propane, 2-butoxy-ethanol, 2,2'-oxybisethanol, 1-butyl-benzene, 2-pyrrolidinone, 2-(2-butoxyethoxy)-ethanol). We detected 2,2-dimethoxybutane (3.02~47% ratio) and tetrahydro-2-methyl-furan (1.19~52.19% ratio), 1,2-ethanediol (52.83~95.84% ratio). In case of manufacturer, manufactured ink was able to discriminate between Japan and Korea by distinct characteristics (Japan: 1,2-ethanediol, 52.83~95.84%, Korea: 1,2-propanediol, 76.17~93.51%). The results of this study indicated that distinct characteristic about manufacturers and brands could make a classifring tool of inks for identification of between gel pen inks.

Keywords

forensic science;gel pen inks;classification;discrimination;HS-SPME GC/MS

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