Abstract

The rate of surface tension lowering of aqueous solutions of ten long-chain alcohols and two dicarboxylic acids has been measured by the oscillating jet method. The surface tensions have been calculated by the Bohr formula. Seven orifices, standardized with water, have been used to determine the variation of surface tension with age for an aqueous solution of heptanol (0.4 g./l). The results obtained, which lie on a single curve, are compared with published values.

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