Abstract: The density and interfacial tension of nitrogen-hydrocarbon binary systems were measured at the temperature of40℃over a wide range of pressures from 0.101 to 40 MPa.Measurements were made on the followinghydrocarbons with nitrogen:n-pentane.n-hexane.n-heptane,n-octane,n-decane and toluene.Comparisons madebetween data obtained from these systems and those from the literature at 0.101 MPa and 40℃show goodagreement and consistency.

Key words: Interfacial tension, density, hydrocarbon

摘要： The density and interfacial tension of nitrogen-hydrocarbon binary systems were measured at the temperature of40℃over a wide range of pressures from 0.101 to 40 MPa.Measurements were made on the followinghydrocarbons with nitrogen:n-pentane.n-hexane.n-heptane,n-octane,n-decane and toluene.Comparisons madebetween data obtained from these systems and those from the literature at 0.101 MPa and 40℃show goodagreement and consistency.

关键词: Interfacial tension;density;hydrocarbon