which provides an airtight and leak-free seal between glassware components
provides a reliable seal when closed to prevent air and moisture from contaminating the reaction vessel during evacuation
Additionally
while the lower connection is for vacuum
The glass stopcock at the sidearm provides a convenient means for vacuum application or inert gas introduction
Laboy Glass Organic chemistry lab glassware kit laboratory glassware for Simple to Complex Distillation Apparatus 33pcs three-way distillation adapter which provides an airtight andComponent: 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,