標題: Effects of analyte-matrix interactions on supercritical fluid extraction efficiencies of polycyclic aromatic hydrocarbons
作者: Hsieh, YZ
Chang, AC
交大名義發表
應用化學系
National Chiao Tung University
Department of Applied Chemistry
關鍵字: analyte-matrix interactions;supercritical fluid extraction;PAHs
公開日期: 21-四月-1997
摘要: The effects of different variables for analyte-matrix interactions on supercritical fluid extraction (SFE) efficiencies of polycyclic aromatic hydrocarbons (PAHs) were investigated. The results indicated that the main factors for describing a matrix, e.g., the chemical properties of the matrix surface, surface area, and pore size, could significantly influence the analyte-matrix interactions. The polarizability of an analyte was demonstrated to be yet another significant factor for influencing analyte-matrix interactions. Either elevating the temperature or adding modifiers could also increase the SFE recoveries. The underlying mechanisms of these variables are discussed.
URI: http://dx.doi.org/10.1016/S0003-2670(96)00564-8
http://hdl.handle.net/11536/595
ISSN: 0003-2670
DOI: 10.1016/S0003-2670(96)00564-8
期刊: ANALYTICA CHIMICA ACTA
Volume: 342
Issue: 1
起始頁: 41
結束頁: 50
顯示於類別:期刊論文


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