![]() The cylindrical body culminates in a neck that curves inward before flaring out in a rounded opening. FleakerĪ fleaker is a portmanteau of the words flask and beaker, and physically resembles a combination of an Erlenmeyer flask and a beaker. With the funnel on top of the glass neck and a tube sucking the pressure out of the side, vacuums for sluicing liquids can be created very easily within the flask. Because of this design, a Büchner flask is well-equipped for creating vacuums with the help of a Büchner funnel. ![]() ![]() The small side-arm tube is composed of a hose barb, which is a serrated section that catches a thick-walled flexible hose. The bottom is conical in shape, with a short neck from which the small tube extrudes. Büchner/Sidearm FlaskĪ Büchner, or sidearm flask is essentially an Erlenmeyer flask (see above) with an additional small tube extending from the side of the neck. The Erlenmeyer flask has diverse uses such as holding and measuring chemical liquid samples, but can also be used to mix, heat and boil chemicals. ![]() This shape allows the flask to be sealed with a bung for heating purposes, while also allowing a researcher the freedom to shake or stir the flask without spilling liquid. These flasks –also known as a science flask, chemistry flask, or a laboratory flask (lab flask)– come in a range of sizes, materials, and uses.Ĭommonly used types of chemistry flasks include: Erlenmeyer FlaskĪn Erlenmeyer flask, conical flask, or E-flask is one of the most commonly used flasks in scientific laboratories, but what does an Erlenmeyer flask do? The flask has a conical base that almost extends into a small, cylindrical neck. Flasks are useful types of chemistry glassware for containing liquid and performing mixing, heating, cooling, precipitation, condensation, and other processes. ![]()
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