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논문검색

THE KOREAN SOCIETY OF FORENSIC SCIENCES

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pISSN: 1598-0715

한국법과학회지, Vol.22 no.2 (2021)
pp.25~32

DOI : 10.53051/ksfs.2021.22.2.003

- SPME-GC/MS 분석에 의한 ethanol 소독솜이 알코올농도 분석에 미치는 영향 -

이준배

(대구과학수사연구소 감정관)

안대준

(국립과학수사연구원 제주출장소 감정관)

공보경

(서울과학수사연구소 감정관)

김재진

((주)위드텍 연구원)

조영훈

(대구과학수사연구소 감정관)

고정아

(대구과학수사연구소 감정관)

박민주

(대구과학수사연구소 감정관)

권미아

(국립과학수사연구원 화학과 감정관)

유승진

(국립경찰대학교 교수)

팽기정

(연세대학교 화학과 교수)

The crackdown on the drunk driving is continuously enforced and the drivers might not agree with the result of the blood alcohol test results. Especially the test result could be controversial for the blood sampled by using disinfection ethanol swab, without using the sterile liquid at the blood sampling kit. In this study, the effect of the disinfection ethanol swab on the concentration when sampled by syringe under ethanol remaining condition through SPME-GC/MS analysis with the internal standard of isotope substituted ethanol(CD3CD2OH). The sample taken through the dried pig skin didn’t show meaningful value of ethanol but the result of ethanol residual case showed the ethanol concentration from the value of quantification limit ∼ 0.003% with the average value of about 0.001%. The quantification limit of this method was about 0.0005% and the linearity of the calibration curve showed the r2 of 0.9999 or more which was plotted by the area response ratio between the ion of m/z 45 for ethanol and m/z 49 for internal standard.

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