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 11686

Components

No. Formula Molar Mass CAS Registry Number Name
1 C2H6O2 62.068 107-21-1 1,2-Ethanediol
2 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 363.150 K
Pressure 10.660 bar

Data Table

hE [J/mol] x1 [mol/mol]
-127.685 0.04250
-246.681 0.08360
-428.282 0.16150
-562.616 0.23420
-640.542 0.30230
-684.446 0.36610
-700.743 0.42620
-689.634 0.48270
-665.384 0.53600
-593.277 0.63410
-433.272 0.76290
-372.441 0.80170
-310.128 0.83870
-248.674 0.87390
-188.033 0.90760
-127.196 0.93970
-63.822 0.97050
-31.262 0.98540

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

Reference

Source
de Haan A.B.: . Unpublished Data (1996) 0

Diagrams

Excess Enthalpies of 1,2-Ethanediol+N-Methyl-2-pyrrolidone
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List of All References

Source
de Haan A.B.: . Unpublished Data (1996) 0

Excess Enthalpy Data Overview


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