Surface free energy equation of binary solutions in the absence of adsorption (normal surface layer)
Abstract
The present state of our knowledge of the free surface energy (surface tension) of even simple binary solutions cannot be recognized as orderly. This state of theory is aggravated by the anarchically disordered state of experimental data. The abundance of methods for determining surface tension, until now mutually uncorrected, make all the huge accumulated now and continuously increasing material of experiments completely unsuitable for verifying any conclusions or, what is worse, suitable for confirming any deduced equation. Up to the present time there is no independent method, other than the simple comparison of results usually adopted, by which the results obtained by experiments can be corrected. The object of the present work is to derive a general equation for the free surface energy of binary solutions, and to find a method of testing the fairness of experimental data for determining the surface tension.
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