Burette

7 Maret 2010 pukul 08:34 | Ditulis dalam Uncategorized | Tinggalkan komentar
A burette (also buret) is a vertical cylindrical piece of laboratory glassware with a volumetric graduation on its full length and a precision tap, or stopcock, on the bottom. It is used to dispense known amounts of a liquid reagent in experiments for which such precision is necessary, such as a titration experiment. Burettes are extremely accurate – a 50 cm3 burette has a tolerance of 0.1 cm3 (class B) or 0.06 cm3 (class A).

Burettes measure from the top since they are used to measure liquids dispensed out the bottom. The difference between starting and final volume is the amount dispensed

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