• Solubility of Antibiotics in Different Solvents. Part II ...

    mafiadoc.com/solubility-of-antibiotics-in... CachedTmp is the melting point temperature; ∆fusH is the enthalpy of fusion. A more detailed derivation of eq 3 can be found in the literature.12,13 Two activity coefficient models were used to calculate the activity coefficients of the solute: NRTL14 and UNIQUAC.15 The equations were used as described previously.11 For the τij ) aij + bij T (4)

  • Heptane | C7H16 - PubChem

    pubchem.ncbi.nlm.nih.gov/compound/heptaneHeptane is a straight-chain alkane with seven carbon atoms. It has been found in Jeffrey pine (Pinus jeffreyi). It has a role as a non-polar solvent and a plant metabolite. It is a volatile organic compound and an alkane. N-heptane is a clear colorless liquids with a petroleum-like odor. Less dense than water and insoluble in water.

  • Isopropyl alcohol | CH3CHOHCH3 - PubChem

    pubchem.ncbi.nlm.nih.gov/compound/Isopropyl-alcoholIsopropyl alcohol or 2-propanol is an isomer of 1-propanol. It is a colorless liquid having disinfectant properties. It is used in the manufacture of acetone and its derivatives and as a solvent. Topically, it is used as an antiseptic. Small amounts of this alcohol are produced naturally by gut microbial flora.

  • Ethanol - Thermophysical properties

    /ethanol-ethyl-alcohol... CachedEthanol is a liquid at standard conditions. However, at low temperature and/or very high pressures it becomes a solid. The phase diagram for ethanol shows the phase behavior with changes in temperature and pressure. The curve between the critical point and the triple point shows the ethanol boiling point with changes in pressure.

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    b-ok.cc/book/5230435/bd3aa1 CachedThe only textbook that applies thermodynamics to real-world process engineering problems This must-read for advanced students and professionals alike is the first book to demonstrate how chemical thermodynamics work in the real world by applying them to actual engineering examples.

  • VLE-calc.com

    vle-calc.com CachedVLE-Calc.com has been renewed After 5 years of development a completely rewritten and redesigned program is released. More materials and more types of charts are built-in, and an easier-to-use interface (which is more mobile-friendly) has been formed.

  • Modeling of the solubility of Naproxen and Trimethoprim in ...

    For the determination of the solubility besides the melting point T& and the heat of fusion '(& only the activity coefficient of component i is required. While the pure component data can directly be read from the Dortmund Data Bank (DDBST) [6], which presents one of the reliable data bank for pure component and mixture

  • Boiling Point of 2-Propanol from Dortmund Data Bank

    CachedBoiling Point of 2-Propanol. The experimental data shown in these pages are freely available and have been published already in the DDB Explorer Edition.The data represent a small sub list of all available data in the Dortmund Data Bank.

  • Industrial & Engineering Chemistry Research | Vol 42, No 2

    pubs.acs.org/toc/iecred/42/2Pair your accounts. Export articles to Mendeley. Get article recommendations from ACS based on references in your Mendeley library.

  • Vapor–Liquid Equilibrium Data for 1-Methyl-2-Pyrrolidone + (1 ...

    Vapor–Liquid Equilibrium Data for 1-Methyl-2-Pyrrolidone + (1-Butanol or 1-Hexene or Water) Binary Mixtures Article in Journal of Chemical & Engineering Data 59(5):1643–1650 · April 2014 with ...

  • Vapor–liquid equilibrium - Wikipedia

    en.wikipedia.org/wiki/Vapor–liquid_equilibrium CachedThere can be VLE data for mixtures of four or more components, but such a boiling-point diagram is hard to show in either tabular or graphical form. For such multi-component mixtures, as well as binary mixtures, the vapor–liquid equilibrium data are represented in terms of K values ( vapor–liquid distribution ratios ) [1] [2] defined by

  • Density of Ethanol - Science Struck

    sciencestruck.com/density-of-ethanol CachedThe density of ethanol, to a great extent, depends on the temperature and pressure of the surroundings. Changes in the temperature and surroundings result in change in the volume of this liquid, which, in turn, results in change in its density.

  • 1. The vapor pressure of dichloromethane, CH2Cl2, at 0C is ...

    +The+vapor+pressure... CachedJan 18, 2009 · The vapor pressure of dichloromethane,, at 0 is 134 . The normal boiling point of dichloromethane is 40. . Calculate its molar heat of vaporization . asked by josie on January 20, 2010; chemistry. The vapor pressure of dichloromethane, CH_2Cl_2, at 0 degrees celcius is 134 mmHg. The normal boiling point of dichloromethane is 40 degrees celcius.

  • What Is the Vapor Pressure of Ethanol? | Reference.com

    vapor-pressure-ethanol... CachedVapor pressure is a characteristic of all liquids and solids. Vapor pressure is the pressure of the vapor resulting from the evaporation of a liquid or solid. The vapor pressure of one substance may be very different than the vapor pressure of another. For example, the vapor pressure of ethanol is much higher than that of water.

  • Dichloromethane - High Purity Solvents | Sigma-Aldrich

    /.../dichloromethane-center.html CachedAbout Dichloromethane. Whether you need HPLC dichloromethane, ACS dichloromethane, anhydrous dichloromethane or one of the other grades available, we offer the right product for your application. As a leading supplier of high-purity solvents, we have the right dichloromethane to meet your needs.

  • Melting Point of 2-Propanol from Dortmund Data Bank

    CachedMelting Point of 2-Propanol. The experimental data shown in these pages are freely available and have been published already in the DDB Explorer Edition.The data represent a small sub list of all available data in the Dortmund Data Bank.

  • Azeotropic Data of 30 Important Components from Dortmund Data ...

    CachedAzeotropic Data. The experimental data shown in these pages are freely available and have been published already in the DDB Explorer Edition.The data represent a small sub list of all available data in the Dortmund Data Bank.

  • Azeotropic and solid–liquid equilibria data for several ...

    At the same time the melting points for the pure chemicals were measured with the same procedure. Only for 1,1-diethoxyethane a value of 173.15 K was found in the Dortmund Data Bank . This data bank also contains recommend basic pure component properties often derived from a large number of published data. Author: Mariana Teodorescu, Michael Wilken, Roland Wittig, Jürgen GmehlingCited by: 8Publish Year: 2003

  • Eighteenth Symposium - NIST

    thermosymposium.nist.gov/preliminary.html CachedDortmund Data Bank ... Solubility of H 2 S in Aqueous Solutions of 1-Amino-2-Propanol as a Function ... Effect of Gold Addition on the Melting Point of Selected ...

  • Symmetry Process Software Platform - Schlumberger

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  • Fluid Phase Equilibria (v.425, #C) |

    CachedThe compositions of the cubic structure II double hydrates of 2-propanol and methane have been determined. The hydrates have been prepared at 274.2 К, under methane pressure of 10.0 ± 0.3 MPa from solutions with 2-propanol content varying from 4.2 to 18.1 wt%.

  • Azeotropic Data for Binary Mixtures - mdma

    chemistry.mdma.ch/hiveboard/picproxie_docs/000506293-aze...AZEOTROPIC DATA FOR BINARY MIXTURES (continued) Molecular formula Name taz/°C x1 C6H14 Hexane 51.8 0.642 Propanoic acid C3H6O2 C5H5N Pyridine 148.6 0.686 C7H16 Heptane 97.8 0.027 C9H12 Propylbenzene 139.5 0.830 1-Nitropropane C3H7NO2 C3H8O 1-Propanol 97.0 0.061 C7H16 Heptane 96.6 0.149 1-Propanol C3H8O C4H8O2 1,4-Dioxane 95.3 0.642 C6H6 ... File Size: 21KBPage Count: 4

  • Physical Properties of Liquids and Gases

    The deviations between experimental data and calculated values were 0.44%, 1.07%, 3.52% and 2.82%, respectively, using the NRTL, UNIQUAC, UNIFAC-LLE and UNIFAC-Dortmund models.

  • Fluid Phase Equilibria (v.269, #1-2) |

    CachedBinary liquid–liquid equilibrium (LLE) data for the system di-isopropyl ether (DIPE) + water were measured at atmospheric pressure from 288.15 to 323.15 K and the ternary LLE for systems of DIPE + water + C 1 –C 4 alcohols (methanol, ethanol, 1-propanol, 2-propanol, 1-butanol and 2-butanol) were also determined at 298.15 K at atmospheric pressure.

  • A modified UNIFAC model. 2. Present parameter matrix and ...

    pubs.acs.org/doi/abs/10.1021/ie00013a024Measurements and Modeling of VLE Data for Butyl Acetate with 2-Propanol or 2-Butanol. Binary Systems at 0.15 and 0.6 MPa. Journal of Chemical & Engineering Data 2017, 62 (8), 2296-2306. Author: Juergen Gmehling, Jiding Li, Martin SchillerCited by: 1490Publish Year: 1993

  • Measurement and prediction of solubilities of active ...

    Mar 30, 2010 · While the pure component data can directly be read from the Dortmund Data Bank (DDBST, 2008), which presents the greatest factual data bank for pure component and mixture properties, the activity coefficient γ i can be calculated with predictive models, such as e.g. UNIFAC, modified UNIFAC (Dortmund) and COSMO-RS (Ol). Author: Inga Hahnenkamp, Gitte Graubner, Jürgen GmehlingCited by: 53Publish Year: 2010

  • 2-Propanol + Acetic anhydride | Details | Dortmund Data Bank ...

    ddbonline.ddbst.com/DDBSearch/onlineddboverview.exe/... CachedDortmund Data Bank Content Information for 2-Propanol + Acetic anhydride. Online DDB Search: ... Dortmund Data Bank Version: December 2019 ...

  • Ethane - NIST

    webbook.nist.gov/cgi/cbook.cgi?ID=C74840&Mask=4 Cached, The heat capacity of saturated liquid ethane from the boiling point to the critical temperature and heat fusion of the solid, J. Am. Chem. Soc., 1930, 52, 611-622. [ all data ] Roder, 1976

  • Ethanol vaporization temperature

    tepatitlan.gob.mx/cs/wp-content/themes/calliope/... CachedThe data represent a small sub list of all available data in the Dortmund Data Bank. Jul 01, 2015 · Heat of vaporization of water and ethanol Watch the next lesson: https://www. The key difference between evaporation and vaporization is that evaporation of a liquid occurs at a temperature that is below the boiling point of that liquid, whereas ...

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