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A mortar and pestle is a set of two simple tools used to prepare ingredients or substances by crushing and grinding them into a fine paste or powder in the kitchen, laboratory, and pharmacy. The mortar (/ ˈ m ɔːr t ər /) is characteristically a bowl, typically made of hardwood, metal, ceramic, or hard stone such as granite.
The mortar and pestle, already used for thousands of years, is a standard tool even in modern laboratories. More modern solutions are based on blender type instruments, bead mills , ultrasonic treatment (also sonication ), rotor-stator mechanical, high pressure, and many other physical forces.
An evaporating dish is a piece of laboratory glassware used for the evaporation of solutions and supernatant liquids, [a] and sometimes to their melting point.Evaporating dishes are used to evaporate excess solvents – most commonly water – to produce a concentrated solution or a solid precipitate of the dissolved substance.
(The latter practice is not uncommon but is cryptic for workers with minimal training and experience. The first two options are better practice.) CML, CMC or CML&C: cement mortar lined, cement mortar coated, or cement mortar lined & coated: Commonly used together with "WSP" ("welded steel pipe") CNC: computer numerical control: CR: controlled ...
A cement is a binder, a chemical substance used for construction that sets, hardens, and adheres to other materials to bind them together. Cement is seldom used on its own, but rather to bind sand and gravel together. Cement mixed with fine aggregate produces mortar for masonry, or with sand and gravel, produces concrete. Concrete is the most ...
Can automatically draw rings and other structures - has all standard amino acids and nucleic acids in a built-in library; Retrieval of structures from a network database based on CAS number, formula, or name; Retrieval of information on a molecule based on a drawing; Symbols such as partial charge and radicals
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Plaster is widely used as a support for broken bones; a bandage impregnated with plaster is moistened and then wrapped around the damaged limb, setting into a close-fitting yet easily removed tube, known as an orthopedic cast. Plaster is also used in preparation for radiotherapy when fabricating individualized immobilization shells for patients ...