DURAN Separating Funnel 21013361 250 mL
The DURAN Separating Funnel 21013361 250 mL is crafted for efficient liquid–liquid extraction and phase separation. Its conical shape promotes sharp interface formation between immiscible liquids, enabling clean separation.
Made from borosilicate glass 3.3, it resists chemical attack and thermal stress. The PTFE key stopcock ensures smooth, grease-free operation and reliable flow control, while the ground glass stopper forms a tight seal to prevent vapor escape or contamination.
Ideal for analytical, synthetic, and purification workflows, this 250 mL funnel supports reproducible performance in demanding laboratory applications.
Key Specifications
| Parameter | Value |
|---|---|
| Catalogue Number | 21013361 |
| Capacity | 250 mL |
| Shape | Conical Separating Funnel |
| Body Material | DURAN Borosilicate Glass 3.3 |
| Stopcock | PTFE key (polytetrafluoroethylene) |
| Stopper | Ground glass stopper |
| Autoclavable | Yes (glass parts) |
| Application | Liquid–liquid extraction, phase separation |
Applications
Solvent extraction and purification
Separation of aqueous/organic phases
Washing of reaction mixtures
Use in analytical, organic synthesis, and teaching labs
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