Traditional Culture Encyclopedia - Photography and portraiture - Is oil miscible with water?
Is oil miscible with water?
Yes, I can. When soapy water is injected into oil and water, soapy water acts as an emulsifier. Emulsification refers to changing one liquid into tiny particles and dispersing them in another liquid to mix two liquids that could not be mixed originally. This coating liquid is called emulsion, which is different from solution. Emulsifier is a substance added to simplify the manufacturing process of emulsion and keep it stable.
Emulsifier can disperse oil in water and water in oil. Soap can disperse oil in water. Except soap, albumin, lecithin, etc. Can disperse oil in water.
On the contrary, some substances can make water soluble in oil, such as heavy metal soap and turpentine.
After soapy water meets oil, the edge tension of oil becomes very small, and now it can't become a big particle. So the oil becomes the emulsion of the dock name, that is, it is emulsified and dissolved together.
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