- With an inner joint
- With PTFE Plug and Glass stopper
- Lower joint has a sealed-in drip tube.
| PART No. | Capacity (ml) | Lower Joint | Stopcock Bore (mm) | Stopper | PACK Qty. |
| 6840-60 | 60 | 24/40 | 2 | 16 | 1 |
| 6840-125 | 125 | 24/40 | 2 | 22 | 1 |
| 6840-250 | 250 | 24/40 | 4 | 22 | 1 |
| 6840-500 | 500 | 24/40 | 4 | 27 | 1 |
| 6840-1000 | 1000 | 29/42 | 4 | 27 | 1 |
| 6840-2000 | 2000 | 29/42 | 6 | 38 | 1 |
| 6840-30 | 30 | 14/20 | 2 | 14/20 | 1 |
| 6840-60-A | 60 | 14/20 | 2 | 14/20 | 1 |
| 6840-60-B | 60 | 19/22 | 2 | 14/20 | 1 |
| 6840-125-A | 125 | 14/20 | 2 | 14/20 | 1 |
| 6840-125-B | 125 | 19/22 | 2 | 14/20 | 1 |
Here are some common uses for a Squibb Separating Funnel with a PTFE plug and lower joint:
- Liquid-Liquid Extraction:
- The primary purpose of a Squibb Separating Funnel is for liquid-liquid extraction, where it facilitates the separation of immiscible liquids or the extraction of specific compounds from a mixture.
- Sample Preparation for Analysis:
- Laboratories use Squibb Separating Funnels with lower joints to prepare samples for analysis by separating different components or isolating specific fractions for further testing, such as chromatography or spectroscopy.
- Reaction Product Isolation:
- In organic synthesis, after a chemical reaction, the Squibb Separating Funnel can be used to isolate and separate the reaction products from the reaction mixture.
- Solvent Recovery:
- After a chemical process, the funnel with a lower joint may be connected to a receiving flask for efficient solvent recovery by distillation or other means.
- Phase Separation in Reaction Mixtures:
- The funnel can be used to separate different phases formed during a chemical reaction, allowing for the isolation of specific products or intermediates.
- Fractional Distillation:
- Squibb Separating Funnels with lower joints may be employed in fractional distillation setups, allowing for the collection of different fractions based on boiling points.
- Process Scale-Up:
- In larger-scale processes, Squibb Separating Funnels with lower joints can be connected to larger reaction vessels or distillation setups to accommodate higher volumes.
- Extraction of Essential Oils:
- In industries such as perfumery or herbal product extraction, these funnels may be used for extracting essential oils from plant materials.
- Biological Sample Processing:
- Squibb Separating Funnels with lower joints can be used in biological laboratories for processing and extracting specific compounds from biological samples.
- Teaching and Demonstrations:
- Educational laboratories often use these funnels to teach students about liquid-liquid extraction techniques and the principles of phase separation, connecting them to other glassware as part of experimental setups.
- Quality Control Processes:
- In industries where quality control is crucial, these funnels may be used for extracting and isolating specific components for analysis, with the lower joint facilitating easy connections to other apparatus.
- Research and Development:
- Squibb Separating Funnels with lower joints are used in research laboratories for various experiments and processes that involve the extraction or separation of substances, especially when integration with other equipment is required.
