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Received May 24, 2009
Accepted July 22, 2009
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HPLC를 이용한 석유제품 중의 식별제 Unimark 1494DB 분석
Determination of Unimark 1494DB in Petroleum using HPLC
한국석유관리원 연구센터, 363-883 충북 청원군 오창읍
Research Center, Korea Institute of Petroleum Management, Ochang-eup, Cheongwon-gun, Chungbuk 363-883, Korea
Korean Chemical Engineering Research, October 2009, 47(5), 593-598(6), NONE Epub 5 November 2009
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Abstract
정상경유에 등유 및 부생연료유를 인위적으로 혼합한 후, SPE 전처리 과정과 HPLC 분석을 통해 석유제품 내에 함유되어 있는 식별제의 정성·정량분석방법에 관해 연구하였다. SPE 전처리 과정에서 시료주입 후 15분에 분취된 시료에서 가장 높은 농도의 식별제가 분석되었다. 경유제품에 1 mg/L의 식별제를 혼입시킨 후, 전처리를 거쳐 HPLC로 분석한 결과 9.8분의 머무름시간에서 1626.92 mV·sec의 감도로 식별제가 분석되었으며, 또한 기존의 UV-Spectroscopy법으로 분석이 힘들었던 산성조건의 석유제품에서 식별제 분석이 가능하였다.
In this study, the qualitative and quantitative analytical method for petroleum marker(Unimark 1494DB) in common diesel involved kerosene and byproduct fuel was developed using SPE pretreatment and high performance liquid chromatography. In SPE pretreatment process, the highest concentrated marker was obtained 15 minutes after addition of petroleum sample. The petroleum marker was detected with 1626.92 mV·sec intensity at 9.8 minutes retention time in 1 mg/L content in petrodiesel after pretreatment. Also petroleum marker was selectively identified in an acidic petroleum product which was previously difficult to be analyzed by UV-Vis Spectroscopy.
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Yoon SH, Bhatt SD, Lee WK, Lee HY, Jeong SY, Baeg JO, Lee CW, Korean J. Chem. Eng., 26(1), 64 (2009)
