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Your cart is empty.The Corning Pyrex 3121-250 10.5L Large Top Desiccator with 24/29 Standard Taper Stopcock is a borosilicate glass vacuum desiccator with the stopcock on the cover. The 24/29 standard taper stopcock has a polytetrafluoroethylene (PTFE) plug and a tooled hose connection that serves as the vacuum inlet. The desiccator is covered jar and measures 325mm in height, with a chamber depth of 130mm. The ground flange has an inside diameter of 250mm, and the plate diameter is 230mm. The vacuum is rated 1 atmosphere. "Standard taper" is a designation from the American Society for Testing and Materials (ASTM). The stopcock complies with ASTM E 675 and ASTM E 676. Desiccators are sealable containers used to remove water from a sample, or to preserve moisture-sensitive electronics or lab consumables, typically in laboratory, electronic, and aerospace applications. Desiccators are often used with desiccants, which are drying agents such as silica gel or activated charcoal placed under a removable platform. Standard desiccators are typically lidded jars used with a desiccant. Vacuum desiccators have a stopcock that allows air evacuation from the desiccator. Gas purge desiccators use a gas port to introduce nitrogen or other gasses, creating a controlled environment. Vacuum and gas purge desiccators may also be used with desiccants. Many desiccators are used with vacuum grease, which helps create a seal.Corning manufactures consumable glass, ceramics, and plastic laboratory tools for life science research, industrial, and educational applications. The company, founded in 1908, is headquartered in New York, NY, and makes ISO-certified products.
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