Correlation equations for expressing the boiling temperature as direct function of liquid composition have been tested successfully and applied for predicting azeotropic behavior of multi component mixtures and the kind of azeotrope (minimum, maximum and saddle type) using modified correlation of Gibbs-Konovalov theorem. The ternary system “1-Propanol-Hexane-Benzene” which contains polar compound (1-Propanol) and the two binary systems “1-Propanol-Hexane and 1-Propanol-Benzene” form a minimum azeotrope, the other ternary system and the other binary systems do not form azeotrope. The measurements were made in re-circulating equilibrium still with circulation of both the vapor and liquid phases. A general reaction searchĪlso available.In this study, isobaric vapor-liquid equilibrium for two ternary systems: “1-Propanol-Hexane-Benzene” and its binaries “1-Propanol-Hexane, Hexane-Benzene and 1-Propanol-Benzene” and the other ternary system is “Toluene-Cyclohexane-iso-Octane (2,2,4-Trimethyl-Pentane)” and its binaries “Toluene-Cyclohexane, Cyclohexane-iso-Octane and Toluene-iso-Octane” have been measured at 101.325KPa. Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References, Notes SRD 156 – Clathrate Hydrate Physical Property Database SRSD 3 – Web Thermo Tables (WTT), professional edition SRSD 2 – Web Thermo Tables (WTT), "lite" edition SRD 103b – Thermo Data Engine (TDE) for pure compounds, SRD 103a – Thermo Data Engine (TDE) for pure compounds. (TRC) data available from this site, much more physicalĪnd chemical property data is available from the In addition to the Thermodynamics Research Center ACĮnthalpy of vaporization (at saturation pressure)Ĭoefficents calculated by NIST from author's data. See also Stephenson and Malanowski, 1987. Uncertainty assigned by TRC = 0.02 K TRCĪverage of 6 values Individual data pointsīased on data from 255. ChickosĪverage of 13 out of 14 values Individual data pointsĪverage of 8 values Individual data points TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny directorĪC - William E. Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Mass spectrum (electron ionization), References, Notes Reanalyzed by Cox and Pilcher, 1970, Original value = -1682.3 ± 0.50 kJ/mol ALSĬonstant pressure heat capacity of liquid C p,liquid (J/mol*K) Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), References, NotesĭH - Eugene S. Requires a JavaScript / HTML 5 canvas capable browser. Gas Phase Heat Capacity (Shomate Equation) Secretary of Commerce on behalf of the U.S.A.ĪLS - Hussein Y. Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), References, Notesīy the U.S. Your institution may already be a subscriber.įollow the links above to find out more about the data With the development of data collections included in The purpose of the fee is to recover costs associated NIST subscription sites provide data under theĭata Program, but require an annual fee to access. NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data).NIST / TRC Web Thermo Tables, "lite" edition (thermophysical and thermochemical data).X-ray Photoelectron Spectroscopy Database, version 5.0.Computational Chemistry Comparison and Benchmark Database.
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