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

Temperature 298.150 K

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

Temperature 298.150 K

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

Temperature 307.150 K

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

Excess Enthalpies of Methanol+Tetrahydrofuran
See larger image

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


© DDBST GmbH