Emulsions - Preparation of an emulsion
3 important questions on Emulsions - Preparation of an emulsion
How is the size of emulsion droplets related to the appearance?
Size is 0.5-20 um. This size if larger than the wavelength of light. Emulsion droplets scatter and reflect the incoming light --> turbid appearance
Are emulsions thermodynamically stable?
No, they may phase separate in the course of time.
Which types of stabilisation are responsible for the stabilisation of emulsions against aggregation and coalescence?
Electrostatic and steric stabilisation.
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