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 10396

Components

No. Formula Molar Mass CAS Registry Number Name
1 C3H8O 60.096 67-63-0 2-Propanol
2 C4H10O 74.123 71-36-3 1-Butanol
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 323.150 K
Pressure 19.610 bar

Data Table

hE [J/mol] x1 [mol/mol]
-4.148 0.02990
-7.976 0.05950
-14.372 0.11780
-25.065 0.23100
-31.938 0.34000
-35.336 0.44480
-36.033 0.54580
-33.394 0.64320
-28.309 0.73710
-20.944 0.82780
-11.084 0.91540
-5.825 0.95800

(hE - excess enthalpy, x - liquid mole fraction)

Reference

Source
Gmehling J.: unpublished data. Unpublished Data (2011) 1-43


Enthalpy of Mixing Data Set 20930

Components

No. Formula Molar Mass CAS Registry Number Name
1 C3H8O 60.096 67-63-0 2-Propanol
2 C4H10O 74.123 71-36-3 1-Butanol
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 298.150 K
Pressure 1.0132 bar

Data Table

hE [J/mol] x1 [mol/mol]
-5.220 0.07830
-9.380 0.15540
-12.420 0.23140
-14.580 0.30630
-15.880 0.37970
-16.600 0.45240
-16.780 0.52470
-16.580 0.59540
-15.520 0.66520
-13.790 0.73400
-11.510 0.80190
-8.400 0.86880
-4.580 0.93490

(hE - excess enthalpy, x - liquid mole fraction)

Reference

Source
Nan Y.-Q.; Hou Y.-J.; Yu Q.-S.: Measurement of Excess Molar Enthalpies of some Alkan-1-ol/iso-Propanol Binary Series. Huaxue-Xuebao 56 (1998) 105-108


Enthalpy of Mixing Data Set 20934

Components

No. Formula Molar Mass CAS Registry Number Name
1 C3H8O 60.096 67-63-0 2-Propanol
2 C4H10O 74.123 71-36-3 1-Butanol
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 308.150 K
Pressure 1.0132 bar

Data Table

hE [J/mol] x1 [mol/mol]
-5.850 0.08170
-10.640 0.16150
-14.490 0.23970
-17.280 0.31610
-19.220 0.39100
-20.300 0.46430
-20.340 0.53610
-19.590 0.60650
-18.180 0.67530
-15.990 0.74290
-13.000 0.80910
-9.290 0.87400
-4.880 0.93760

(hE - excess enthalpy, x - liquid mole fraction)

Reference

Source
Nan Y.-Q.; Hou Y.-J.; Yu Q.-S.: Measurement of Excess Molar Enthalpies of some Alkan-1-ol/iso-Propanol Binary Series. Huaxue-Xuebao 56 (1998) 105-108

Diagrams

Excess Enthalpies of 1-Butanol+2-Propanol
See larger image

List of All References

Source
Gmehling J.: unpublished data. Unpublished Data (2011) 1-43
Nan Y.-Q.; Hou Y.-J.; Yu Q.-S.: Measurement of Excess Molar Enthalpies of some Alkan-1-ol/iso-Propanol Binary Series. Huaxue-Xuebao 56 (1998) 105-108

Excess Enthalpy Data Overview


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