DURAN Separating Funnel 21013440
The DURAN 21013440 Separating Funnel (500 mL) is designed for accurate liquid-liquid extraction and separation of immiscible phases in chemical, analytical, and educational laboratories.
Constructed from DURAN borosilicate glass 3.3, the funnel offers superior resistance to chemical corrosion and thermal shock. Its conical shape ensures clean, rapid phase separation, minimizing cross-contamination between organic and aqueous layers.
The solid glass key stopcock provides precise control over liquid release without lubricant contamination, while the ground glass stopper creates a secure, leak-tight seal for safe shaking and mixing. Both components are fully autoclavable, ensuring reusability and sterile operation in laboratory environments.
Ideal for solvent extraction, purification, and washing applications, this model combines precision, safety, and durability for professional laboratory workflows.
Key Specifications
| Parameter | Value |
|---|---|
| Catalogue Number | 21013440 |
| Product Type | Separating (Separatory) Funnel |
| Capacity | 500 mL |
| Shape | Conical |
| Material | DURAN Borosilicate Glass 3.3 |
| Stopcock | Solid Glass Key |
| Stopper | Ground Glass |
| Autoclavable | Yes |
| Standard | DIN / ISO |
| Application | Liquid-liquid extraction / phase separation |
Applications
Separation of immiscible solvent layers
Extraction and purification of reaction mixtures
Washing of organic or aqueous solutions
Use in pharmaceutical, chemical, and academic labs
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