DURAN® round bottom flask 500 ml, ground joint NS 29/32 – Round Bottom Flask

Introduction to DURAN 500 ml round-bottom flask with NS 29/32 ground joint

The DURAN 500 ml round bottom flask (code 241704604) is high-quality laboratory glassware from Duran (Germany), specialized for chemical reactions and distillation processes. Made from borosilicate 3.3 glass, it offers superior mechanical strength along with thermal and chemical resistance. The round bottom design paired with a standard ground joint enables seamless integration into complex experimental setups.

Outstanding features

• Made of borosilicate glass 3.3 with high chemical resistance and thermal shock resistance.
• Round bottom design ensures uniform heat distribution during boiling and heating processes.
• Standard ground joint NS 29/32 provides tight, secure connections with accessories such as condensers and adapters.
• Capacity of 500 ml flexibly meets various scales of chemical synthesis and analysis.

Applications

• Performing chemical reactions, organic and inorganic synthesis requiring heating or refluxing.
• Used in fractional distillation, extraction, and solvent recovery systems.
• Used in research and teaching at universities, research institutes, and testing laboratories.

Frequently Asked Questions

What is the NS 29/32 ground joint of the round bottom flask used for?
The standard NS 29/32 ground joint allows tight and secure assembly with other glassware accessories such as condensers or reaction systems.

Can the DURAN 500 ml round bottom flask be heated directly?
Made of borosilicate glass 3.3 with a round bottom structure for even heat transfer, the flask offers good thermal and thermal shock resistance when used in laboratory heating procedures.