500ml Solvent Distillation Head,Still-Head Designed to maintain distilled solvents in an inert atmosphere. The top of the main vapor tube is open with an additional vapor tube to decrease the risk of pressure buildup. The upper sampling port has a 4 mm stopcock with a 14/23 outer joint for the head. A double oblique stopcock allows removal of distilled solvent or return to flask. Other ground Joints are all 24/29.
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