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Glass tubes are produced in various types of glass and in diameters ranging from a few millimeters to several centimeters. In most production processes, an "infinitely long" glass tube is drawn directly from the melt, from which approximately 1.5 m long pieces are chopped off after passing a roller track up to the drawing machine.
A test tube, also known as a culture tube or sample tube, is a common piece of laboratory glassware consisting of a finger-like length of glass or clear plastic tubing, open at the top and closed at the bottom. Test tubes are usually placed in special-purpose racks.
Laboratory glassware may be made from several types of glass, each with different capabilities and used for different purposes. Borosilicate glass is a type of transparent glass that is composed of boron oxide and silica, its main feature is a low coefficient of thermal expansion making it more resistant to thermal shock than most other glasses ...
Laboratory sample tubes are used to hold small quantities of substances undergoing experimentation or testing. These tubes are usually made of glass, but can also be made of plastic or metal. They vary in size and purpose. Laboratory sample tubes must not be confused with glass tubing, which can be utilized to carry fluid between laboratory ...
Gas collecting tube; Gas syringe; Glass knife; Glass rod; Glass tube; Graduated cylinder; Graduated pipette; Ground glass; ... Media in category "Laboratory glassware"
Another ground glass joint connects the second neck to another adapter for introduction of an inert gas. Laboratory glassware, such as Buchner flasks and Liebig condensers, may have tubular glass tips intended for insertion into a hose, often with barbs to retain the hose, and may be tapered to accept a wider range of hose diameters. These are ...
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