- Available with PE stopper
- Complies with ISO 4800 Standards
* Non DIN
| PART No. | Capacity (ml) | NS | Bore (mm) | PACK Qty. |
| 6940-50 | 50 | 19/26 | 2.5 | 1 |
| 6940-100 | 100 | 19/26 | 2.5 | 1 |
| 6940-125* | 125 | 19/26 | 2.5 | 1 |
| 6940-250 | 250 | 29/32 | 4 | 1 |
| 6940-500 | 500 | 29/32 | 4 | 1 |
| 6940-1000 | 1000 | 29/32 | 6 | 1 |
| 6940-2000 | 2000 | 29/32 | 6 | 1 |
Here are some common uses for a Pear-shaped Separating Funnel with a PTFE stopcock:
- Liquid-Liquid Extraction:
- The primary use is for liquid-liquid extraction, allowing the separation of immiscible liquids or the extraction of specific compounds from a mixture. The PTFE stopcock ensures chemical inertness and a reliable seal.
- Sample Preparation for Analysis:
- Laboratories use these funnels to prepare samples for analysis by separating different components or isolating specific fractions for further testing, such as chromatography or spectroscopy.
- Solvent Recovery:
- After a chemical reaction or process, the funnel can be used for solvent recovery by allowing the separation of solvents from the reaction mixture. The PTFE stopcock ensures a chemically inert and tight seal.
- Phase Separation:
- Suitable for processes requiring clear phase separation, ensuring the clean separation of different liquid layers. The PTFE stopcock provides precise control over the separation process.
- Reaction Product Isolation:
- The funnel can be used to isolate and separate products of chemical reactions from reaction mixtures, providing a controlled environment for the separation.
- Fractionation:
- In processes where different components of a mixture need to be separated based on their physical properties, Pear-shaped Separating Funnels with PTFE stopcocks can be employed.
- Quality Control Processes:
- Industries use these funnels for quality control processes, especially when precise separations are needed for the analysis of specific components. The PTFE stopcock ensures a chemically inert and leak-free operation.
- Research and Development:
- Pear-shaped Separating Funnels with PTFE stopcocks find applications in research laboratories for various experiments and processes involving liquid-liquid separations.
- Biological Sample Processing:
- These funnels can be used in biological laboratories for processing and extracting specific compounds from biological samples.
- Teaching and Demonstrations:
- Educational laboratories may use these funnels for teaching purposes, demonstrating liquid-liquid extraction techniques and the principles of phase separation.
- Industrial Processes:
- In various industrial settings, Pear-shaped Separating Funnels with PTFE stopcocks are employed for liquid-liquid separations and extractions, providing a chemically inert and reliable sealing mechanism.
