Suspension (chemistry)

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Suspension (chemistry)

A Suspension (pronounced: suh-spen-shuhn) is a heterogeneous mixture that contains solid particles sufficiently large for sedimentation. The particles may be visible to the naked eye, usually must be larger than one micrometer, and will eventually settle, although the mixture is only classified as a suspension when and while the particles have not settled out.

Etymology

The term "suspension" comes from the Latin word suspensio which means "the act of hanging up". It was first used in the context of chemistry in the 17th century.

Related Terms

  • Colloid: A type of homogeneous mixture in which the dispersed particles do not settle out.
  • Solution: A homogeneous mixture composed of two or more substances.
  • Sedimentation: The process by which particles settle to the bottom of a liquid.
  • Heterogeneous Mixture: A type of mixture in which the components can be visually distinguished.

See Also

  • Emulsion: A suspension of tiny droplets of one liquid in a second liquid.
  • Precipitate: An insoluble solid that emerges from a liquid solution.
  • Solvent: A substance that dissolves a solute, resulting in a solution.

References

  • Chemistry: The study of matter and its properties, the changes it undergoes, and the energy changes that accompany those processes.

External links

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