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- W2025981036 abstract "Isobaric vapor–liquid equilibria for bis(2,2,2-trifluoroethyl)ether+alcohols, ketones, or esters systems were measured at 101.3 kPa. The alcohols used are methanol, ethanol, 1-propanol, and 2-propanol. As the ketones 2-butanone was used, and used as esters ethyl acetate. The measurements were made in an equilibrium still [T. Hiaki, K. Kawai, Fluid Phase Equilibr. 158–160 (1999) 979] with circulation of both the vapor and liquid phase. The four binary isobaric systems of the CF3CH2OCH2CF3 and the alcohols form a minimum boiling azeotrope. The azeotropic points are found at x1(az)=0.555 mole fraction and T(az)=326.28K for CF3CH2OCH2CF3(1)+methanol(2), x1(az)=0.716 mole fraction and T(az)=331.90K for CF3CH2OCH2CF3(1)+ethanol(2), x1(az)=0.890 mole fraction and T(az)=336.22K for CF3CH2OCH2CF3(1)+1-propanol(2), and x1(az)=0.777 mole fraction and T(az)=334.16K for CF3CH2OCH2CF3(1)+2-propanol(2). The two binary systems of CF3CH2OCH2CF3(1)+2-butanone(2) and CF3CH2OCH2CF3(1)+ethyl acetate (2) are both non-azeotropic. The experimental data of the binary systems investigated were correlated with activity coefficient equations. The nonrandom two-liquid (NRTL) equation yielded a good correlation of activity coefficients for four systems of CF3CH2OCH2CF3 with alcohols. Two systems of CF3CH2OCH2CF3(1)+2-butanone(2) and CF3CH2OCH2CF3(1)+ethyl acetate (2) were best correlated with the three-suffix Margules equation." @default.
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- W2025981036 title "Vapor–liquid equilibria for bis(2,2,2-trifluoroethyl)ether with several organic compounds containing oxygen" @default.
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- W2025981036 doi "https://doi.org/10.1016/s0378-3812(00)00419-2" @default.
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