Magnetic stirrer
Laboratory device / From Wikipedia, the free encyclopedia
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A magnetic stirrer or magnetic mixer is a laboratory device that employs a rotating magnetic field to cause a stir bar (or flea) immersed in a liquid to spin very quickly, thus stirring it. The rotating field may be created either by a rotating magnet or a set of stationary electromagnets, placed beneath the vessel with the liquid. It is used in chemistry and biology as a convenient way to stir small volumes and where other forms of stirring, such as overhead stirrers and stirring rods, may not be viable.
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Quick Facts Other names, Uses ...
A stir bar mixing a solution on a combined hot-plate magnetic-stirrer device; the left knob controls the stirring rate and the right knob controls heating | |
Other names | Magnetic mixer |
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Uses | Liquid mixing |
Inventor | Arthur Rosinger |
Related items | Vortex mixer, static mixer |
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