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Find the DRILLING FLASK you Need on Amazon United States, United Kingdom and Canada Online at the Best Prices Volumetric flasks measure volumes much more accurately than beakers and Erlenmeyer flasks. A volumetric flask is characterized by a bulb and a long neck. Most volumetric flasks have flat bottoms so that they can be placed on a laboratory bench or other surface, although some volumetric flasks have rounded bottoms and must be handled with special protective equipment. The volumetric flask is used to measure precise volumes of liquid materials for laboratory experiments. They are preferred when available because they are more accurate than graduated cylinders and beakers, which are other equipment used to measure liquids. Volumetric flasks are important when accuracy is a factor in the outcome of the experiment.Ī volumetric flask is a piece of laboratory glass used to prepare and measure chemical solutions. It is used to create a solution at a known volume.