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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.
A honey dipper in use. One method of using the tool is to dip the grooved end into the liquid, rotate the handle into a horizontal position, [4] then slowly twirl the handle between the thumb and fingers while in transport, as the concentric grooves help to minimize dripping. [5]
Noting that the stirrup jars of which he knew from the excavated houses of Mycenae and elsewhere had a capacity of 12 – 14 L, Ventris, decipherer of Linear B, hypothesized that one stirrup jar was designed to hold one liquid unit, which he took to be “the convenient figure” of 12 litres (3.2 US gal). Using a density of olive oil of 0.917 ...
A mixer (also called a hand mixer or stand mixer depending on the type) is a kitchen device that uses a gear-driven mechanism to rotate a set of "beaters" in a bowl containing the food or liquids to be prepared by mixing them. Mixers help automate the repetitive tasks of stirring, whisking or beating.
The liquids to be stirred are held in beakers, jars, or Erlenmeyer flasks that are placed over the table or, sometimes, in test tubes or vials that are nested into holes in the plate. [3] Platform shakers can also be combined with other systems like rotating mixers for small systems and have been designed to be manufactured in laboratories ...
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A bell jar is a glass jar, similar in shape to a bell (i.e. in its best-known form it is open at the bottom, while its top and sides together are a single piece), and can be manufactured from a variety of materials (ranging from glass to different types of metals). Bell jars are often used in laboratories to form and contain a vacuum.
A static mixer is a device for the continuous mixing of fluid materials, without moving components. [1] Normally the fluids to be mixed are liquid, but static mixers can also be used to mix gas streams, disperse gas into liquid or blend immiscible liquids .