DURAN® two-neck round bottom flask, middle neck NS 29/32, side neck NS 14/23, 2000 ml

DURAN® two-neck round-bottom flask, slanted side neck NS 14/23, middle neck NS 29/32, 2000 ml For distillation, fractionation and reaction, multi-neck flasks (two-neck or three-neck flasks) are mainly used, so that attachments, columns, thermometers, dropping funnels, boiling capillaries, etc. can be fitted as required. Special features and advantages: Tight seal due to standard ground joint Side neck slanted As required, attachments, columns, thermometers, dropping funnels, boiling capillaries, etc. can be installed The geometry allows very uniform heating. Burned-in and therefore permanently durable white print Application: Distillation, extraction, connection to other glassware, heating, use in heating baths and hoods, volume sizes 100 ml (NS 24/29 and NS 29/32), 250 ml (NS 24/29), 500 ml (NS 24/29) and 1000 ml (NS 24/29) are not according to DIN ISO.