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Erlenmeyer flask. An Erlenmeyer flask, also known as a conical flask (British English) [1] or a titration flask, is a type of laboratory flask with a flat bottom, a conical body, and a cylindrical neck. It is named after the German chemist Emil Erlenmeyer (1825–1909), who invented it in 1860. [2] Erlenmeyer flasks have wide bases and narrow ...
250ml Erlenmeyer Flasks: 7 37 30 500ml Erlenmeyer Flasks 8 41 33: 1000ml Erlenmeyer Flasks/ Florence Flask/ Filter Flask 9 45 37 1000ml Erlenmeyer Flasks/ Florence Flask 10 50 42: 1000ml Filter Flasks 2000ml Erlenmeyer Flasks/ Florence Flask 11 56 48 12 64 54 4000ml Filter Flasks 13 68 58 14 90 75 15 103 83 16 127 90
Common bottle sizes include 100 ml, 250 ml, 500 ml, 1000 ml and 2000 ml. Older bottles, especially for medical use and for expensive chemicals, can be found of capacities well under 100 ml.
Erlenmeyer flasks (introduced in 1861 by German chemist Emil Erlenmeyer (1825–1909)) are shaped like a cone, usually completed by the ground joint; the conical flasks are very popular because of their low price (they are easy to manufacture) and portability; Volumetric flask is used for preparing liquids with volumes of high precision. It is ...
For example, a round bottom flask, Liebig condenser, and oil bubbler with ground glass joints may be rapidly fitted together to reflux a reaction mixture. This is a large improvement compared with older methods of custom-made glassware, which was time-consuming and expensive, or the use of less chemical resistant and heat resistant corks or ...
Cross section of a Büchner Flask. Note the hose barb pointing right for attaching a vacuum source. A Büchner flask, also known as a vacuum flask, [1] filter flask, suction flask, side-arm flask, or Bunsen flask, is a thick-walled Erlenmeyer flask with a short glass tube and hose barb protruding about an inch from its neck.