• Complies with DIN 12392 & USP standard
• Centre Neck & Three Angled Side Necks
• With Interchangeable Joints
• Made From Heat Resistant, Low Expansion 3.3 Borosilicate Glass.

Here are some common uses for a 4-Neck Angular Round Bottom Flask in a laboratory:

1. Complex Reactions: The multiple necks allow for the setup of complex chemical reactions where various reagents or reactants can be added simultaneously or at different stages.
2. Distillation and Fractionation: The flask is suitable for complex distillation or fractionation setups where multiple condensers or receiving vessels can be attached to the different necks.
3. Simultaneous Sampling: Different necks can be used for simultaneous sampling of reaction mixtures, facilitating monitoring of reactions at multiple points.
4. Refluxing and Addition of Reagents: One or more necks can be used for reflux setups, while others allow for the addition of reagents or other components during the reaction.
5. Temperature Control Experiments: Some necks can be used for inserting thermometers, temperature probes, or other monitoring devices, enabling precise temperature control.
6. Gas Inlet/Outlet: The necks can be utilized for introducing or removing gases during reactions, making it suitable for experiments involving gaseous reactants or by-products.
7. Parallel Reactions: The flask can be used for setting up parallel reactions, enabling researchers to conduct multiple reactions simultaneously.
8. Multiple Additions or Withdrawals: The various necks allow for the addition of different materials or the withdrawal of reaction mixtures at distinct stages of the experiment.