Determination of surface and interfacial tension

Details Determination of surface and interfacial tension Determination of surface and interfacial tension

1982-05-28

1985-06-18

Frankfort, Charles

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Vapor pressure

73 57, G01N 1302

Patent

active

045234566

ABSTRACT:
The determination of the surface tension of a liquid or of the interfacial tension between two immiscible liquids is effected by drainage methods in which the movement of an air bubble or a droplet of the lighter liquid is observed, certain measurements made and the surface tension or interfacial tension determined from such measurments. The apparatus used, comprising a tapered tube, a rotating uniform diameter tube or a tilted uniform diameter tube, is simple and inexpensive and accurate measurements are obtained.

REFERENCES:
patent: 2054438 (1936-09-01), Natelson
patent: 2654243 (1953-10-01), Colthup et al.

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