Emulsion Emulsion An emulsion is a mixture of two or more liquids that are normally immiscible (unmixable or unblendable). Emulsions are part of a more general class of two-phase systems of matter called colloids. Although the terms "colloid" and "emulsion" are sometimes used interchangeably, "emulsion" should be used when both phases, dispersed and continuous, are liquids. In an emulsion, one liquid (the dispersed phase) is dispersed in the other (the continuous phase). Examples of emulsions include vinaigrettes, homogenized milk, and some cutting fluids for metal working. Graphene and its modified forms are also a good example of recent unconventional surfactants helping
Soy milk are vegan or lactose intolerant. In China, the usual term "doujiang" ("[soy]bean broth") is used for the traditional watery and beany beverage produced as a by-product of the production of tofu, whereas store-bought products designed to imitate the flavor and consistency of dairy milk are more often known as "dounai" ("[soy]bean milk"). In other countries, there are sometimes legal impediments to the equivalents of the name "soy milk". For example, in the European Union, "'Milk' means exclusively the normal mammary secretion obtained from one or more milkings without either addition thereto or extraction therefrom". Often, only cow's milk is allowed