DURAN Separating Funnel 21013360
The DURAN 21013360 Separating Funnel (250 mL) is a precision-engineered conical funnel designed for liquid-liquid extraction and solvent separation. Constructed from borosilicate glass 3.3, it delivers exceptional resistance to thermal shock and chemical corrosion, ensuring long-term durability under demanding laboratory use.
Its conical body promotes sharp phase separation between immiscible liquids such as organic solvents and aqueous layers, while the solid glass key stopcock provides fine flow control without contamination from lubricants or polymers. The ground glass stopper fits tightly, preventing evaporation and ensuring a secure seal during shaking or mixing.
This model adheres to international laboratory glassware standards (DIN/ISO), offering reliability and compatibility across a wide range of scientific and industrial applications.
Key Specifications
| Parameter | Value |
|---|---|
| Catalogue Number | 21013360 |
| Product Type | Separating (Separatory) Funnel |
| Capacity | 250 mL |
| Shape | Conical |
| Material | DURAN Borosilicate Glass 3.3 |
| Stopcock Type | Solid Glass Key |
| Stopper | Ground Glass |
| Autoclavable | Yes |
| Application | Liquid-liquid extraction and phase separation |
Applications
Separation of immiscible solvents (aqueous/organic)
Solvent extraction in analytical and organic chemistry
Washing and purification of reaction mixtures
Use in pharmaceutical, research, and academic laboratories
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