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Dewar flask with weighted metal base for stability and with a full-length aluminum housing which extends to the top rim for added protection. *Due to extra high vacuum, the Dewar flasks may have a rare possibility to explode, so we recommend working behind a safety shield in hood and always wear safety goggles. -
Used in distillation of very small amount of distillate at lower temperature with high efficiency. Kugelrohr machine required but not supplied. For the vacuum adapter, see A301420. -
Vacuum jacketed design for more efficiency. When a thermometer is inserted in the top of this apparatus, the bulb and stem serve as column packing. The close coupled condenser and vacuum connection offer and extremely short condensate travel path. Used with 25mm immersion thermometer, D27 distillation receiver.

