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Buret or Burette

Chemistry Laboratory Glassware

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Jenny Suo and Anna Devathasan test the vitamin C content in the Ribena drink at Pakuranga College, March 29, 2007 in Auckland, New Zealand. They are using a buret to titrate into an Erlenmeyer flask.

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Burets or burettes are used when it is necessary to dispense a small measured volume of a liquid, as for titration. Burets may be used to calibrate the volumes of other pieces of glassware, such as graduated cylinders. Most burets are made of borosilicate glass with PTFE (Teflon) stopcocks.

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