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Candy and Chocolate Confections, Federal Specification Z-C-2104, is a document that defines and outlines requirements for candy and chocolates that the United States federal government may use, and further defines the conditions under which a new type of candy may be found suitable for use by government agencies.
Molecular biology laboratory equipment (6 P) O. Optical devices (21 C, 129 P, 1 F) Optomechanics (10 P) P. ... Optical table; Oscilloscope; History of the ...
The standard provides with the document kind classification code (DCC) a structured letter-code for the classification of any kind of document. A public access database IEC 61355 DB [ 3 ] is available in order to facilitate the individuation of the correct code to be applied to a document
There are many different kinds of funnels that have been adapted for specialised applications in the laboratory, such as Filter funnels and thistle funnels (shaped like thistle flowers). Dropping funnels have stopcocks which allow the fluids to be added to a flask slowly. For solids, a powder funnel with a wide and short stem is more ...
A Büchner funnel is a piece of laboratory equipment used in filtration. [1] It is traditionally made of porcelain , but glass and plastic funnels are also available. On top of the funnel-shaped part there is a cylinder with a fritted glass disc/perforated plate separating it from the funnel.
Classification is the process in which ideas and objects are recognized, differentiated, and understood, and classification charts are intended to help create and eventually visualize the outcome. According to Brinton "in a classification chart the facts, data etc. are arranged so that the place of each in relation to all others is readily seen.
A test tube holder is used to hold test tubes. [1] It is used for holding a test tube in place [2] when the tube is hot or should not be touched. [3] For example, a test tube holder can be used to hold a test tube while it is being heated. [4]
Example of a stirring rod. A glass stirring rod, glass rod, stirring rod or stir rod is a piece of laboratory equipment used to mix chemicals. They are usually made of solid glass, about the thickness and slightly longer than a drinking straw, [clarification needed] with rounded ends.