Distilling Flasks

Distilling flasks, also known as distillation flasks or bulb flasks, are essential laboratory glassware used in the distillation process. They are specifically designed for heating and vaporizing liquids to separate components based on differing boiling points.

These flasks are characterized by their bulbous shape, which allows for efficient heating and the smooth transfer of vapors. The narrow neck of distillation flasks plays a crucial role in preventing spillage and ensuring the controlled release of vapors. Made from heat-resistant glass, they can withstand high temperatures without compromising structural integrity or chemical purity.

The key benefits of distilling flasks include their durability and chemical resistance, making them suitable for repeated use in diverse chemical reactions. Their specific design enhances the efficiency and safety of the distillation process, making them a fundamental tool in any laboratory conducting chemical separations or purifications.

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  • DWK Life Sciences (Kimble)

    Three-neck heavy wall round-bottom flask with Standard Taper outer joints Side necks are angled Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

  • United Scientific Supplies

    Our distilling flasks are made from low-expansion borosilicate glass. Uniform wall thickness provides superior mechanical strength and shock resistance. Long side arm is ideal for distillation applications. Feature large white block letters for easy identification of capacity.

  • Cyanide distillation apparatus used in testing for soluble and insoluble cyanides in water. Apparatus basically conforms to ASTM D-2036 except for modifications involving Ace-Threds and larger joints. Also available with threaded adapter to connect still head to trap. PTFE ferrules are supplied in…

  • These borosilicate glass distilling receivers with inner and outer Standard Taper joints are used to determine the amount of dilution in crankcase oils when gasoline has been used as fuel. Receiver design keeps heat-sensitive materials away from the hot base of the flask. Calibrated "to…

  • Alginates assay distillation system similar to the one described in US Pharmacopeia 2006, chapter 311. The system includes a metering valve with flow meter tube set, 250mL flask and mantle, reflux condenser with u-tube and hose connection adapters and a 250mL gas washing bottle. 5/16 in ID Vinyl…

  • Suitable for microchemical applications Side-arm on all sizes is approximately 77 mm below the top of the neck at an angle of 75° Adaptable for use with thermometer calibrated for 76 mm immersion 50 mL flask takes rubber stopper No. 1; 250 mL flasks, stopper No. 3; 500 mL flask, stopper No.…

  • Useful for separating higher boiling liquids that require a short pot-to-column distance to prevent excessive condensation. If pot bleed is desired a two-neck flask can be used. Thermometer joint is 10/18 for 9551, 25mm immersion.

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