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A graduated cylinder or measuring cylinder is a piece of laboratory glassware or plasticware used to accurately measure out volumes of chemicals for use in reactions. They are generally more accurate and precise for this purpose than flasks. Often, the largest graduated cylinders are made of [[polypropylene for its excellent chemical resistance or polymethylpentane for its clarity, making them lighter to ship and less fragile than glass. Polypropylene cylinders have excellent chemical resistance and do not shatter when dropped, a valuable safety feature for all laboratories. Polypropylene is easy to repeatedly autoclave (sterilize). Often used for collecting and recording a volume of gas given off in a reaction.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Graduated_cylinder". A list of authors is available in Wikipedia.|