Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Study on the Applicability Analysis of HPLC for Fuel Marker (Unimark 1494DB) in Petroleum Products

석유제품의 식별제(Unimark 1494DB) 분석을 위한 HPLC 적용가능성 분석 연구

  • Hwang, In-ha (Research Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority) ;
  • Youn, Ju-min (Research Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority) ;
  • Doe, Jin-woo (Research Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority) ;
  • Park, Tae-seong (Research Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority) ;
  • Kang, Hyung-kyu (Research Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority) ;
  • Ha, Jong-han (Research Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority) ;
  • Na, Byung-gi (Department of Chemical Engineering, Chungbuk National University)
  • 황인하 (한국석유관리원 석유기술연구소) ;
  • 연주민 (한국석유관리원 석유기술연구소) ;
  • 도진우 (한국석유관리원 석유기술연구소) ;
  • 박태성 (한국석유관리원 석유기술연구소) ;
  • 강형규 (한국석유관리원 석유기술연구소) ;
  • 하종한 (한국석유관리원 석유기술연구소) ;
  • 나병기 (충북대학교 화학공학과)
  • Received : 2017.11.10
  • Accepted : 2017.12.07
  • Published : 2017.12.30
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Abstract

For analyzing the qualitative and quantitative analysis of fuel marker in petroleum products, the applicability of HPLC was studied. For the qualitative analysis of fuel marker in kerosene and automotive diesel, optimal analytical conditions(ratio of mobile phase solvent, flow rate, etc) in HPLC were selected and calibration curve for quantitative analysis of fuel marker was prepared based on the result of qualitative analysis. In particular, the correlation coefficient of calibration curve in kerosene and automotive diesel was shown to be 0.999 in a certain concentration range and it could be applied to the quantitative analysis. The results of analysis using the UV/Vis spectrometer, which is the current analysis method of fuel marker, were compared with the analysis results using the HPLC. The kerosene showed a low deviation of about 7 % and the automotive diesel showed a somewhat large deviation of about 20 %.

석유제품 내의 식별제를 정성 정량분석하기 위해 HPLC의 적용가능성을 연구하였다. 등유와 자동차용 경유에 함유된 식별제의 정성분석을 위해 HPLC에서 최적의 분석조건(이동상 용매의 비율, 유속 등)을 선정하고, 이를 바탕으로 식별제의 정량분석을 위한 검량곡선을 작성하였다. 특히, 일정 농도 범위에서의 등유는 4.75분에서, 그리고 자동차용 경유는 4.17분의 머무름시간(retention time)을 나타내었고, 등유와 자동차용 경유의 검량곡선 상관계수($R^2$)가 0.999 이상을 나타내어 정량분석에 적용 가능할 것으로 나타났다. 현행 식별제의 분석방법인 UV/Vis 분광광도계를 이용한 분석결과와 비교분석을 실시하였고, 등유의경우 약 7 %의 낮은 편차를 보였으며, 자동차용 경유의 경우 약 20 %의 다소 큰 편차를 확인하였다.

Keywords

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