Abstract
It is shown that the effect of salts upon the critical concentration for the formation of micelles in solutions of long-chain electrolytes can be treated by considering the mass law as applied to the equilibrium between the unassociated long-chain ions, counter-ions and the aggregate. From the experimental observations, it is possible in this manner to calculate the ratio of long-chain ions and counter-ions which enter into the micelle. Similar considerations lead to the development of an equation which describes the variation in critical concentration with paraffin chain length for long-chain paraffin salts processing the same polar head-group.
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