IR, Raman 및 TLC를 이용한 볼펜잉크의 식별
Discrimination of Black Ballpoint Pen Ink using IR, Raman Spectrometry and TLC
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초록
본 실험은 5개국에서 생산된 검은색 볼펜잉크 56종을 시료로 하여 적외선 반사, 라만 스펙트럼, TLC색소 특성을 이용하여 개체별 특이성을 확인하였다. 적외선 반사 또는 흡수 특성으로 3그룸 (IRⅠgroup 35종), (IR Ⅱgroup 11종), (IR Ⅲ group 10종)으로 분류되었으며 Raman을 이용한 분광특성으로는 3그룹 (R Ⅰ 10종), (R Ⅱ 38종), (R Ⅲ 18종)으로 분류되었다. TLC를 이용한 색소특성으로는 6그룹 (TLC Ⅰ 6종), (TLC Ⅱ 39종), (TLC Ⅲ 1종), (TLC Ⅳ 6종), (TLC Ⅴ 1종), (TLC Ⅵ 3종)으로 분류되어, IR, Raman, TLC를 이용한 잉크의 분류에 있어서는 13 group (Bp 1~13)으로 구분됨이 확인되었다. 생산국에 따른 특성으로는 일본선 볼펜시료 9종(Bp 1, 2, 7, 13 group), 한국산 9종(Bp 6, 11 group)은 다른 생산국과 비교하여 특징적으로 구분되었다. 본 연구로 적외선 반사, 라만 스펙트럼, TLC 색소 특성을 이용하여 개체 특이성 확인 분석법을 구축하고 특성자료를 확보하였다.
Abstract
The aim of the presented study is to identified individual characteristic data in 56 difference types of black ballpoint inks manufactured from 5 country using infrared reflectance, raman spectrometry and TLC. In characteristic of infrared reflectance and raman spectrum determined 3 group(IRⅠgroup 35 species), (IR Ⅱgroup 11 species), (IR Ⅲ group 10 species). (R Ⅰ 10 species), (R Ⅱ 38 species), (R Ⅲ 18species). Dye characteristic of black ballpoint pen inks identified 6 group (TLC Ⅰ 6species), (TLC Ⅱ 39 species), (TLC Ⅲ 1종), (TLC Ⅳ 6species), (TLC Ⅴ 1 species), (TLC Ⅵ species). In case of manufacturer, manufactured ink was able to The aim of the presented study is to identified individual characteristic data in 56 difference types of black ballpoint inks manufactured from 5 country using infrared reflectance, raman spectrometry and TLC. In characteristic of infrared reflectance and raman spectrum determined 3 group(IRⅠgroup 35 species), (IR Ⅱgroup 11 species), (IR Ⅲ group 10 species). (R Ⅰ 10 species), (R Ⅱ 38 species), (R Ⅲ 18species). Dye characteristic of black ballpoint pen inks identified 6 group (TLC Ⅰ 6species), (TLC Ⅱ 39 species), (TLC Ⅲ 1종), (TLC Ⅳ 6species), (TLC Ⅴ 1 species), (TLC Ⅵ species). In case of manufacturer, manufactured ink was able to discriminate between Japan and Korea by distinct characteristic grouping (Japan: Bp 1, 2, 7, 13 group, Korea: Bp 6, 11 group). The result of this study indicated that analysis if infrared reflectance, raman spectrometry and TLC could make a discriminating tool of inks for forensic purpose and can supply methodology for classification and identification of between ballpoints pen inks. between Japan and Korea by distinct characteristic grouping (Japan: Bp 1, 2, 7, 13 group, Korea: Bp 6, 11 group). The result of this study indicated that analysis if infrared reflectance, raman spectrometry and TLC could make a discriminating tool of inks for forensic purpose and can supply methodology for classification and identification of between ballpoints pen inks.