DURAN® Dropping funnel, with pressure equalization tube, NS core 29/32, NS stopcock and stopcock safety device, 500 ml

DURAN® Dropping funnel, with ground joint and pressure compensation, NS 29/32, 500 ml The metered addition of solutions, reaction mixtures and/or chemicals is ideally carried out with the aid of a dropping funnel. In addition to the standard ground joint, this design contains a pressure compensation tube at the lower end, which avoids underpressure or overpressure in the composite of the reaction vessels. Special features and advantages: With pressure compensation tube, NS core, NS stopcock and stopcock safety device The speed of the feed can be adjusted Cylindrical with graduation Tight closure due to standard ground joint Burnt-in and therefore permanently durable white printed image Easy-to-read scale with line graduation for measuring the contents Application: Uniform and metered liquid supply to a reaction mixture, measurement of liquid quantities, dropping funnels with a volume of 250 ml ( with sleeve: 29/32, core: 24/29) and 500 ml (with sleeve: 29/32, core: 24/29) are special sizes and not according to DIN ISO.