Additionally
The 2mm PTFE stopcock allows for precise control over the flask's exposure to a vacuum manifold on a Schlenk line
provides a reliable seal when closed to prevent air and moisture from contaminating the reaction vessel during evacuation
they are prevented from entering the vacuum system and causing problems
Laboy Glass Organic chemistry lab glassware kit laboratory glassware for Simple to Complex Distillation Apparatus 33pcs three-way distillation adapter AdditionallyComponent: This lab glassware kit includes a variety of commonly used jointed glassware with 24 40 joints and accessories like penny head stopper, cork stand, bosshead clamp, 3finger double adjustable clamp, plastic and alloy joint clips. The glassware includes a thermometer adapter, vacuum adapter, claisen adapter, 3 way thermometer adapter, 3 way distillation adapter, liebig condenser, allihn condenser, fractional column, graham condenser,