DURAN® Triple-Neck Round Bottom Flask, center neck NS 24/29, parallel side necks NS 19/26, 250 mL
For distillation, fraction and reaction, mainly multi-neck flasks (two or three neck flasks) are used to be able to install attachments, columns, thermometers, dropping funnels, boiling capillaries, etc. as required.
Features and Benefits:

• Complies with DIN ISO 12392
• Tight closure due to standard ground joint
• Parallel side necks
• Depending upon the application, accessories, columns, thermometers, dropping funnels, boiling capillaries, etc. can be fitted
• The geometry permits very uniform heating
• Fired-on, highly durable white print

Application: Distillation, Extraction, Connection to other glass vessels, Heating, Suitable for heating baths and mantles, Volume sizes 250 ml (NS 24/29 and NS 29/32), 500 ml (NS 24/29), 500 ml (NS 29/32), 1000 ml (NS 29/32) and 2000 ml (NS 29/32) are not according to DIN ISO.