![]() ![]() You may also find beakers made from stainless steel, quartz, and carbon. Although glass beakers are common, beakers are also made from a variety of plastic resins (PMP, polystyrene, polypropylene, PFA, polymethylpentene, HDPE, ETFE, PTFE, and more). They are generally cylindrical in shape with a flat bottom, a wide mouth and a small turned-out lip for pouring. On its side are markings denoting approximately how much liquid is inside. Beaker A beaker is a simple laboratory piece of glassware that resembles a coffee mug without the handle. The beaker shape in general drinkware is similar. Beakers are better for stirring and mixing liquids. The exception to this definition is a slightly conical-sided beaker called a Philips beaker. A beaker is distinguished from a flask by having straight rather than sloping sides. Laboratory are available in a range of materials and in sizes from 10 mL to 6 L. Beakers are available in a wide range of sizes, from one milliliter up to several liters. ![]() for heating by hot plate, flame, oven, microwave or heating mantles. Glass beakers may have graduated markings on their side that are accurate within 10 percent, though a graduated cylinder or volumetric flask is recommended for precise volume measurements. Tableware Laboratory Beaker Shot Glasses and Wide Neck Erlenmeyer Flask Set. The volumes stamped on the sides are approximate and accurate to within about 5. Glass beakers feature uniform sidewalls and bottom thicknesses with a flat bottom and a beak, or small spout, for easier pouring. Erlenmeyer flasks and beakers are used for mixing, transporting, reacting, and filtration but not for accurate measurements. Glass beakers can be heated to much higher temperatures than the plastic counterparts, while offering higher clarity for content visibility and measuring. ![]()
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