DURAN® Woulff's bottles with 3 necks NS 34/35 and bottom tube, vacuum-tight, 5000 ml

DURAN® Woulff's flask with bottom tube, neck NS 34/35, 5000 ml Woulff's flasks are a component of vacuum apparatus in which they are used on the one hand as collecting vessels for gas generation or on the other hand for cleaning and/or drying gases. As part of a vacuum apparatus, Woulff's bottles are suitable for vacuum applications and are often used as intermediate vessels to prevent a spontaneous drop in vacuum and the associated back suction of liquid into the vacuum pump. Special features and advantages: Tight seal due to standard ground joint Three standard ground joints for the entry or exit of gases Additional access through the bottom tubule Burnt-in and therefore permanently durable white printed image Application: Collection and dissolving of gases in liquids, Production of gases, Safe working under vacuum, In series connection: Purification of a gas