Interfacial Tension of Some Newtonian and non-Newtonian Fluids by the Drop-Weight Method

R. Gupta, R. K. Wanchoo and A. Bansal

Abstract
Experimental data on interfacial tension of 42 binary liquid-liquid systems using water, aqueous glycerol, aqueous polymeric solutions of polyvinylpyrrolidone (PVP), poly(ethylene oxide) (PEO), carboxymethyl cellulose (CMC) and polyacrylamide (PAM) as continuous phase, and carbon tetrachloride, chlorobenzene, bromobenzene, nitrobenzene, nitrotoluene and ethyl chloroacetate as dispersed phase at 20 °C are reported. The interfacial tension has been measured using the drop-weight method at different compositions of continuous phases.

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Keywords
Drop weight method, interfacial tension, Newtonian and non-Newtonian liquids