Thermodynamics Research Center / ThermoML | Thermochimica Acta

Isobaric molar heat capacities of binary mixtures containing methyl caprate and methyl laurate at pressures up to 16.2 MPa

Liu, X.[Xiangyang], Zhu, C.[Chenyang], Su, C.[Chao], He, M.[Maogang], Dong, W.[Wei], Shang, T.[Tansu], Yang, W.[Weiping]
Thermochim. Acta 2017, 651, 43-46
ABSTRACT
In this work, the isobaric molar heat capacities of methyl caprate, methyl laurate and their mixtures at temperatures from 313 K to 335 K and at pressures up to 16.2 MPa were measured using a flow calorimeter. The isobaric molar heat capacities of these mixtures were observed to increase as the temperature and the concentration of methyl laurate rise, while they increase as the pressure falls. The excess molar heat capacities were calculated using the experimental heat capacity data, which are positive and very small compared to the isobaric molar heat capacities. A correlation was proposed for the isobaric molar heat capacities of the methyl caprate and methyl laurate mixtures with the maximum deviation of 1.8%.
Compounds
# Formula Name
1 C11H22O2 methyl decanoate
2 C13H26O2 methyl dodecanoate
Datasets
The table above is generated from the ThermoML associated json file (link above). POMD and RXND refer to PureOrMixture and Reaction Datasets. The compound numbers are included in properties, variables, and phases, if specificied; the numbers refer to the table of compounds on the left.
Type Compound-# Property Variable Constraint Phase Method #Points
  • POMD
  • 1
  • Molar heat capacity at constant pressure, J/K/mol ; Liquid
  • Pressure, kPa; Liquid
  • Temperature, K; Liquid
  • Liquid
  • Flow calorimetry
  • 15
  • POMD
  • 2
  • Molar heat capacity at constant pressure, J/K/mol ; Liquid
  • Pressure, kPa; Liquid
  • Temperature, K; Liquid
  • Liquid
  • Flow calorimetry
  • 15
  • POMD
  • 1
  • 2
  • Molar heat capacity at constant pressure, J/K/mol ; Liquid
  • Pressure, kPa; Liquid
  • Temperature, K; Liquid
  • Mole fraction - 2; Liquid
  • Liquid
  • Flow calorimetry
  • 75