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Optimization Study of Trace Analysis of Potential Diesel Oxygenate Using the Design Of Experiment (DOE) in Solid-Phase Microextraction with GC/FID  

Park, Jae-Sang (Dept. of Environmental Engineering, Kyonggi University)
Chang, Soon-Woong (Dept. of Environmental Engineering, Kyonggi University)
Publication Information
Journal of Soil and Groundwater Environment / v.12, no.5, 2007 , pp. 73-85 More about this Journal
Abstract
In this study, the experiment of solid-phase microextraction (SPME) technique using GC/FID was conducted as a possible alternative to liquid-liquid extraction for the analysis of EGBE, DGBE, DBM and TGME in water, and also, an optimization condition of trace analysis for disel oxygenates including EGBE by the design of experiment (DOE) was described. Experiments used a fractional factorial design method followed by central composite design allowing optimization of a number of factors as well as statistical analysis of the results. The response surface analysis showed that the extraction efficiency could be represented by a second-order polynomial equation in which the salts concentration, extraction temperature, extraction time and sonication time are the major influences. Using DOE method, a new datadependent method was developed to improve the quantity of confidently analyzed disel oxygenates in water samples.
Keywords
SPME; EGBE; DGBE; DBM; TGME; Trace analysis; Response surface analysis;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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