Abstract

V. P. Mehta And Rashmi Sharma

The apparent molar volume of copper soaps in non-aqueous solvents has been measured at constant temperature 40±0.1°. The critical micelle concentration are found to decrease with increasing the number of carbon atoms in the soap and the values are higher in alcohols than in hydrocarbons. The data have been examined in terms of Masson equation below CMC. The Limiting apparent molar volume (∅v°) has been interpreted in terms of soap solvent interaction while limiting slope (Sv) in terms of soap-soap interaction. The behaviour of the soap in hydrocarbons and in alcohols is quite different.

Apparent: Non-Aqueous; Solvents

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