Sol Definition in Chemistry

What Is a Sol?

A gel is a type of sol, which is in turn an example of a colloid.
A gel is a type of sol, which is in turn an example of a colloid. Image Source, Getty Images

Sol Definition

A sol is a type of colloid in which solid particles are suspended in a liquid. The particles in a sol are very small. The colloidal solution displays the Tyndall effect and is stable. Sols may be prepared via condensation or dispersion. Adding a dispersing agent may increase the stability of a sol. One important use of sols is in the preparation of sol-gels.

Sol Examples

Examples of sols include protoplasm, gel, starch in water, blood, paint, and pigmented ink.

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Helmenstine, Anne Marie, Ph.D. "Sol Definition in Chemistry." ThoughtCo, Dec. 7, 2017, thoughtco.com/definition-of-sol-in-chemistry-605920. Helmenstine, Anne Marie, Ph.D. (2017, December 7). Sol Definition in Chemistry. Retrieved from https://www.thoughtco.com/definition-of-sol-in-chemistry-605920 Helmenstine, Anne Marie, Ph.D. "Sol Definition in Chemistry." ThoughtCo. https://www.thoughtco.com/definition-of-sol-in-chemistry-605920 (accessed April 21, 2018).