Dortmund Data Bank

Azeotropic 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.

Components

No.	Formula	Molar Mass	CAS Registry Number	Name
1	H₂O	18.015	7732-18-5	Water
2	N₂	28.013	7727-37-9	Nitrogen

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Data Table

Azeotropic Type	T [K]	P [kPa]	y_az,1 [mol/mol]	y_az,2 [mol/mol]	Measurement Method	Evaluation	Source
nonesupercrit	533.150	n.a.	n.a.	n.a.	Phase equilibrium	DDBST from table	1
nonesupercrit	588.706	n.a.	n.a.	n.a.	Phase equilibrium	DDBST from table	1

(y_az - vapor and liquid mole fraction)

List of Azeotrope Types

nonesupercrit	zeotropic supercritical

List of References

1	Pray H.A.; Schweickert C.E.; Minnich B.H.: Solubility of Hydrogen, Oxygen, Nitrogen, and Helium in Water at Elevated Temperatures. Ind.Eng.Chem. 44 (1952) 1146-1151

Azeotropic Data Overview