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 710
Components
No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
1 |
CH4O |
32.042 |
67-56-1 |
Methanol |
2 |
C4H8O |
72.107 |
109-99-9 |
Tetrahydrofuran |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
Data Table
hE [J/mol] |
x1 [mol/mol] |
171.659 |
0.07170 |
205.153 |
0.08690 |
272.142 |
0.13130 |
301.449 |
0.14950 |
380.999 |
0.20180 |
431.240 |
0.23940 |
427.053 |
0.24150 |
468.921 |
0.30280 |
485.669 |
0.35010 |
489.855 |
0.38720 |
494.042 |
0.41880 |
494.042 |
0.44370 |
489.855 |
0.47910 |
481.482 |
0.52040 |
447.988 |
0.57040 |
422.867 |
0.62630 |
355.878 |
0.69880 |
242.834 |
0.79660 |
96.296 |
0.91070 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
Source |
Arm H.; Bankay D.; Schaller R.; Waelti M.: Systeme Tetrahydrofuran-Diäthyläther und Methanol-Tetrahydrofuran bei 25°. Helv.Chim.Acta 49 (1966) 2598-2605 |
Enthalpy of Mixing Data Set 711
Components
No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
1 |
CH4O |
32.042 |
67-56-1 |
Methanol |
2 |
C4H8O |
72.107 |
109-99-9 |
Tetrahydrofuran |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
Data Table
hE [J/mol] |
x1 [mol/mol] |
91.689 |
0.03130 |
225.459 |
0.08310 |
343.486 |
0.13970 |
337.361 |
0.14000 |
463.399 |
0.23430 |
524.418 |
0.31390 |
539.487 |
0.39730 |
539.517 |
0.40900 |
541.466 |
0.45570 |
527.359 |
0.51360 |
483.809 |
0.57760 |
402.727 |
0.66730 |
314.354 |
0.75340 |
254.300 |
0.79790 |
234.567 |
0.81030 |
169.224 |
0.85970 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
Source |
Matous J.; Zivny A.; Biros J.: Thermodynamic Mixing Functions of the System Tetrahydrofuran (1)-Methanol (2). Collect.Czech.Chem.Commun. 37 (1972) 3960-3964 |
Enthalpy of Mixing Data Set 712
Components
No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
1 |
CH4O |
32.042 |
67-56-1 |
Methanol |
2 |
C4H8O |
72.107 |
109-99-9 |
Tetrahydrofuran |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
Data Table
hE [J/mol] |
x1 [mol/mol] |
290.583 |
0.10830 |
384.561 |
0.15360 |
480.229 |
0.22500 |
556.133 |
0.34180 |
572.084 |
0.34840 |
559.470 |
0.44430 |
564.083 |
0.49140 |
539.713 |
0.53420 |
433.454 |
0.65720 |
324.348 |
0.75260 |
243.723 |
0.81640 |
235.137 |
0.81970 |
128.418 |
0.89650 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
Source |
Matous J.; Zivny A.; Biros J.: Thermodynamic Mixing Functions of the System Tetrahydrofuran (1)-Methanol (2). Collect.Czech.Chem.Commun. 37 (1972) 3960-3964 |
Diagrams
List of All References
Source |
Matous J.; Zivny A.; Biros J.: Thermodynamic Mixing Functions of the System Tetrahydrofuran (1)-Methanol (2). Collect.Czech.Chem.Commun. 37 (1972) 3960-3964 |
Arm H.; Bankay D.; Schaller R.; Waelti M.: Systeme Tetrahydrofuran-Diäthyläther und Methanol-Tetrahydrofuran bei 25°. Helv.Chim.Acta 49 (1966) 2598-2605 |
Excess Enthalpy Data Overview
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