stir bar

stir bar
laboratory equipment. A short magnetic bar with a covering of, usually, teflon. Used with a magnetic stirrer to stir a chemical solution.

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  • Stir bar — A stir bar (or flea) is a magnetic bar used to stir a mixture or solution in a laboratory. The stir bar rotates (and thus stirs) in synch with a separate rotating magnet located beneath the vessel containing the reaction.cite web |url=… …   Wikipedia

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  • McGurk's Bar bombing — Coordinates: 54°36′29″N 5°55′52″W / 54.608°N 5.931°W / 54.608; 5.931 …   Wikipedia

  • Magnetic stirrer — 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 Uses Liquid mixing Inventor …   Wikipedia

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  • magnetic stirrer — noun laboratory equipment. A machine that produces a rotating magnetic field, so that a magnetic stir bar will automatically stir a chemical solution. They often incorporate an electric heating plate …   Wiktionary

  • Calorimeter — This article is about heat measuring devices. For particle detectors, see Calorimeter (particle physics). The world’s first ice calorimeter, used in the winter of 1782 83, by Antoine Lavoisier and Pierre Simon Laplace, to determine the heat… …   Wikipedia

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