Dortmund Data Bank
Excess Enthalpy 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. For more data or any further information please search the DDB or contact DDBST.
Enthalpy of Mixing Data Set 725
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C4H10O |
74.123 |
60-29-7 |
Diethyl ether |
| 2 |
CH4O |
32.042 |
67-56-1 |
Methanol |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| 48.567 |
0.07420 |
| 153.237 |
0.17790 |
| 257.069 |
0.28990 |
| 335.781 |
0.36140 |
| 409.887 |
0.44180 |
| 501.997 |
0.68030 |
| 418.261 |
0.78270 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Hirobe H.: Thermochemical Studies. J.Fac.Sci.Univ.Tokyo Sec.1 1 (1926) 155-222 |
Enthalpy of Mixing Data Set 4480
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C4H10O |
74.123 |
60-29-7 |
Diethyl ether |
| 2 |
CH4O |
32.042 |
67-56-1 |
Methanol |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| 5.500 |
0.01020 |
| 9.600 |
0.02380 |
| 13.800 |
0.04770 |
| 19.800 |
0.06310 |
| 66.600 |
0.10760 |
| 132.400 |
0.15840 |
| 189.500 |
0.21700 |
| 266.600 |
0.28550 |
| 344.300 |
0.36650 |
| 418.400 |
0.46370 |
| 478.100 |
0.58260 |
| 490.800 |
0.66520 |
| 461.900 |
0.76690 |
| 415.200 |
0.83690 |
| 320.000 |
0.90630 |
| 170.700 |
0.96940 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Villamanan M.A.; Casanova C.; Roux A.H.; Grolier J.-P.E.: Calorimetric Investigation of the Interactions between Oxygen and Hydroxyl Groups in (Alcohol + Ether) at 298.15 K.. J.Chem.Thermodyn. 14 (1982) 251-258 |
Enthalpy of Mixing Data Set 6227
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C4H10O |
74.123 |
60-29-7 |
Diethyl ether |
| 2 |
CH4O |
32.042 |
67-56-1 |
Methanol |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| 68.700 |
0.98220 |
| 60.060 |
0.98440 |
| 51.390 |
0.98660 |
| 42.710 |
0.98880 |
| 34.540 |
0.99110 |
| 25.810 |
0.99330 |
| 16.860 |
0.99550 |
| 8.440 |
0.99780 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Trampe D.M.; Eckert C.A.: Calorimetric Measurement of Partial Molar Excess Enthalpies at Infinite Dilution. J.Chem.Eng.Data 36 (1991) 112-118 |
Diagrams
List of All References
| Source |
| Hirobe H.: Thermochemical Studies. J.Fac.Sci.Univ.Tokyo Sec.1 1 (1926) 155-222 |
| Villamanan M.A.; Casanova C.; Roux A.H.; Grolier J.-P.E.: Calorimetric Investigation of the Interactions between Oxygen and Hydroxyl Groups in (Alcohol + Ether) at 298.15 K.. J.Chem.Thermodyn. 14 (1982) 251-258 |
| Trampe D.M.; Eckert C.A.: Calorimetric Measurement of Partial Molar Excess Enthalpies at Infinite Dilution. J.Chem.Eng.Data 36 (1991) 112-118 |
Excess Enthalpy Data Overview
© DDBST GmbH
