Centrifuge

A centrifuge is a piece of equipment that puts a substance in circular motion in order for the centrifugal force to separate a fluid from a fluid or from a solid substance. Generally, a motor drives the rotary motion of the sample. There are many different kinds of centrifuges, often for very specialised purposes.

History and predecessors

English military engineer Benjamin Robins (1707-1751) invented a whirling arm apparatus to determine drag.

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The ultracentrifuge is a device invented in 1925 by Theodor Svedberg, which by use of very high acceleration, and allowing the observation of sedimentation rates for macromolecules, allowed for the determination of their approximate

Related Topics:
Ultracentrifuge - 1925 - Theodor Svedberg - Macromolecule

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molecular weights. Svedberg won the 1926 Nobel Prize in Chemistry for his invention.

Related Topics:
Molecular weight - 1926 - Nobel Prize in Chemistry

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