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- Magnetic_stirrer abstract "A magnetic stirrer or magnetic mixer is a laboratory device that employs a rotating magnetic field to cause a stir bar (also called "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. Since glass does not affect a magnetic field appreciably (it is transparent to magnetism), and most chemical reactions take place in glass vessels (i.e. see beaker (glassware) or laboratory flasks), magnetic stir bars work well in glass vessels. On the other hand, the limited size of the bar means that magnetic stirrers can only be used for relatively small (under 4 liters) experiments. They also have difficulty dealing with viscous liquids or thick suspensions. For larger volumes or more viscous liquids, some sort of mechanical stirring is typically needed.Magnetic stirrers are often used in chemistry and biology. They are preferred over gear-driven motorized stirrers because they are quieter, more efficient, and have no moving external parts to break or wear out (other than the simple bar magnet itself). Because of its small size, a stirring bar is more easily cleaned and sterilized than other stirring devices. They do not require lubricants which could contaminate the reaction vessel and the product. They can be used inside hermetically closed vessels or systems, without the need for complicated rotary seals. Magnetic stirrers may also include a hot plate or some other means for heating the liquid.".
- Magnetic_stirrer thumbnail Magnetic_Stirrer.JPG?width=300.
- Magnetic_stirrer wikiPageExternalLink watch?v=tdhXESny0II.
- Magnetic_stirrer wikiPageID "157182".
- Magnetic_stirrer wikiPageRevisionID "601671530".
- Magnetic_stirrer caption "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.".
- Magnetic_stirrer hasPhotoCollection Magnetic_stirrer.
- Magnetic_stirrer inventor "Arthur Rosinger".
- Magnetic_stirrer name "Magnetic stirrer".
- Magnetic_stirrer otherNames "Magnetic mixer".
- Magnetic_stirrer related Magnetic_stirrer.
- Magnetic_stirrer related Static_mixer.
- Magnetic_stirrer related Vortex_mixer.
- Magnetic_stirrer uses "Liquid mixing".
- Magnetic_stirrer subject Category:Laboratory_equipment.
- Magnetic_stirrer comment "A magnetic stirrer or magnetic mixer is a laboratory device that employs a rotating magnetic field to cause a stir bar (also called "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. Since glass does not affect a magnetic field appreciably (it is transparent to magnetism), and most chemical reactions take place in glass vessels (i.e.".
- Magnetic_stirrer label "Agitador magnético".
- Magnetic_stirrer label "Agitatore magnetico".
- Magnetic_stirrer label "Magneetroerder".
- Magnetic_stirrer label "Magnetic stirrer".
- Magnetic_stirrer label "Magnetrührer".
- Magnetic_stirrer label "Mieszadło magnetyczne".
- Magnetic_stirrer label "マグネチックスターラー".
- Magnetic_stirrer label "磁力搅拌器".
- Magnetic_stirrer sameAs Magnetrührer.
- Magnetic_stirrer sameAs Agitador_magnético.
- Magnetic_stirrer sameAs Agitatore_magnetico.
- Magnetic_stirrer sameAs マグネチックスターラー.
- Magnetic_stirrer sameAs 교반기.
- Magnetic_stirrer sameAs Magneetroerder.
- Magnetic_stirrer sameAs Mieszadło_magnetyczne.
- Magnetic_stirrer sameAs m.014nfh.
- Magnetic_stirrer sameAs Q900248.
- Magnetic_stirrer sameAs Q900248.
- Magnetic_stirrer wasDerivedFrom Magnetic_stirrer?oldid=601671530.
- Magnetic_stirrer depiction Magnetic_Stirrer.JPG.
- Magnetic_stirrer isPrimaryTopicOf Magnetic_stirrer.