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 19560

Components

No. Formula Molar Mass CAS Registry Number Name
1 C4H10O 74.123 71-36-3 1-Butanol
2 H2O 18.015 7732-18-5 Water
3 C5H9NO 99.133 872-50-4 N-Methyl-2-pyrrolidone
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 353.150 K

Data Table

hE [J/mol] x1 [mol/mol] x2 [mol/mol]
23.640 0.04660 0.16268
43.380 0.09340 0.15469
58.970 0.14070 0.14662
71.090 0.18830 0.13850
81.160 0.23620 0.13033
89.070 0.28450 0.12209
95.340 0.33310 0.11379
101.020 0.38210 0.10543
106.130 0.43150 0.09700
111.770 0.48120 0.08852
115.980 0.53130 0.07997
119.800 0.58180 0.07136
122.560 0.63270 0.06267
121.840 0.68400 0.05392
116.760 0.73570 0.04510
106.360 0.78770 0.03622
87.480 0.84020 0.02727
62.030 0.89300 0.01826
31.170 0.94630 0.00916

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

Reference

Source
Strotmann B.: Experimentelle Bestimmung von Dampf-Flüssig-Phasengleichgewichten sowie Mischungsenthalpien und simultane Korrelation der Meßergebnisse unter Verwendung von gE-Modellen. Master's Thesis (1996)

List of All References

Source
Strotmann B.: Experimentelle Bestimmung von Dampf-Flüssig-Phasengleichgewichten sowie Mischungsenthalpien und simultane Korrelation der Meßergebnisse unter Verwendung von gE-Modellen. Master's Thesis (1996)

Excess Enthalpy Data Overview


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