Abstract
In this paper an indirect method of observation of fine polydispersed oil-in-water emulsions is described in which electron microscope photographs were taken by means of the two stage Triafol-carbon replica technique. It was shown that the oleic acid aqueous emulsions (obtained by acidification of aqueous sodium oleate) were stable in neutral and alkaline solutions and unstable in acidic solutions. It was confirmed that the size of the oleic acid droplets increases with time of ageing. The described method is a general one and can probably be applied for observation of emulsions other than those of oleic acid.
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