PROTECTIVE COLLOID Definition & Meaning

protective colloid

noun

Physical Chemistry.

a lyophilic colloid added to a lyophobic sol to lessen its sensitivity to the precipitating effect of an electrolyte.

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�y��vlog History and Origins

Origin of protective colloid¹

First recorded in 1905–10

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Example Sentences

Examples have not been reviewed.

Many common chemical reactions, if carried out in very dilute solutions, result in the production of sols, especially if a small amount of some emulsoid is present in the reacting mixture; sols produced in this way are very stable, and the emulsoid which is used in stabilizing the sol is known as a "protective colloid."

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