Limiting Partition Coefficients of Sulfur-Containing Aromatics in a Biphasic [bmim][MeSO4]鈭扴upercritical CO2 System

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• 作者：Josef Planeta ; Lenka S虒t'avi虂kova虂 ; Pavel Kara虂sek ; Michal Roth
• 刊名：Journal of Chemical & Engineering Data
• 出版年：2011
• 出版时间：March 10, 2011
• 年：2011
• 卷：56
• 期：3
• 页码：527-531
• 全文大小：727K
• 年卷期：v.56,no.3(March 10, 2011)
• ISSN：1520-5134

文摘

Infinite dilution (limiting) partition coefficients of several sulfur-containing aromatics (benzo[b]thiophene, benzothiazole, dibenzothiophene, 4,6-dimethyldibenzothiophene, phenoxathiin, and thianthrene) in a biphasic (1-n-butyl-3-methylimidazolium methyl sulfate ([bmim][MeSO<sub>4sub>]) + carbon dioxide) system were measured at temperatures of (313 to 353) K and pressures of (8.5 to 23.2) MPa. The measurement method was capillary column supercritical fluid chromatography (SFC) with [bmim][MeSO<sub>4sub>] serving as the stationary liquid and supercritical CO<sub>2sub> as the carrier fluid. Partition coefficients of sulfur-containing aromatics are discussed as functions of temperature and CO<sub>2sub> density. In addition, other solute partition coefficient data obtained from previous SFC measurements in the systems with ionic liquids [bmim][PF<sub>6sub>], [bmim][BF<sub>4sub>], [bmim][MeSO<sub>4sub>], [hmim][Tf<sub>2sub>N], and [thtdp][Cl] are reported in the Supporting Information.