- Made from ASTM E-438, TYPE-1, BORO 3.3 GLASS
- Comes with fire polished rim and stem
PART No. | Capacity (ml) | Disc Dia (mm) | Porosity | PACK Qty. |
7290-35 | 35 | 30 | 0 | 2 |
7290-35-A | 35 | 30 | 1 | 2 |
7290-35-B | 35 | 30 | 2 | 2 |
7290-35-C | 35 | 30 | 3 | 2 |
7290-35-D | 35 | 30 | 4 | 2 |
7290-35-E | 35 | 30 | 5 | 2 |
7290-80 | 80 | 40 | 0 | 2 |
7290-80-A | 80 | 40 | 1 | 2 |
7290-80-B | 80 | 40 | 2 | 2 |
7290-80-C | 80 | 40 | 3 | 2 |
7290-80-D | 80 | 40 | 4 | 2 |
7290-80-E | 80 | 40 | 5 | 2 |
7290-200 | 200 | 65 | 0 | 2 |
7290-200-A | 200 | 65 | 1 | 2 |
7290-200-B | 200 | 65 | 2 | 2 |
7290-200-C | 200 | 65 | 3 | 2 |
7290-200-D | 200 | 65 | 4 | 2 |
7290-200-E | 200 | 65 | 5 | 2 |
7290-500 | 500 | 90 | 0 | 2 |
7290-500-A | 500 | 90 | 1 | 2 |
7290-500-B | 500 | 90 | 2 | 2 |
7290-500-C | 500 | 90 | 3 | 2 |
7290-500-D | 500 | 90 | 4 | 2 |
7290-500-E | 500 | 90 | 5 | 2 |
7290-1000 | 1000 | 120 | 0 | 1 |
7290-1000-A | 1000 | 120 | 1 | 1 |
7290-1000-B | 1000 | 120 | 2 | 1 |
7290-1000-C | 1000 | 120 | 3 | 1 |
7290-1000-D | 1000 | 120 | 4 | 1 |
7290-1000-E | 1000 | 120 | 5 | 1 |
Here are some common uses of Buchner funnels with sintered discs:
- Vacuum Filtration: Buchner funnels with sintered discs are primarily used for vacuum filtration, where a vacuum is applied to draw liquid through the porous disc, leaving behind solid particles.
- Separation of Precipitates: These funnels are employed in separating precipitates or solid particles from a liquid suspension or solution, particularly when the solids are fine and require efficient filtration.
- Residue Collection: When isolating a solid residue from a liquid, such as in recrystallization processes, Buchner funnels with sintered discs are used to collect the solid material.
- Aqueous or Organic Filtration: These funnels can be used for both aqueous and organic solvent filtrations, making them versatile for a range of chemical applications.
- Temperature-Sensitive Filtrations: The sintered disc material is often resistant to changes in temperature, allowing for filtration processes involving hot or cold liquids.
- Fine Particle Filtration: Buchner funnels with sintered discs are suitable for filtering fine particles or colloidal suspensions that may clog traditional filter paper.
- Chemical Synthesis: In chemical synthesis, these funnels are used to separate reaction products from reaction mixtures, facilitating the isolation of the desired compounds.
- Solid-Liquid Separation: These funnels are essential in processes where the goal is to separate a solid phase from a liquid phase efficiently.
- Laboratory Purification: Buchner funnels with sintered discs are employed in various laboratory purification procedures, such as purifying compounds or separating impurities from solutions.
- Sample Clarification: In analytical chemistry and sample preparation, these funnels are used to clarify samples by removing suspended particles or precipitates.
- Extraction Processes: During extraction procedures, these funnels aid in separating extracted compounds from the extraction mixture, providing a clean and filtered solution.
- Environmental Analysis: Buchner funnels with sintered discs can be used in environmental laboratories for filtering water samples to analyze pollutants or particulate matter.
- Educational Demonstrations: These funnels are commonly used in educational laboratories to demonstrate the principles of vacuum filtration and solid-liquid separation.
- Biological Filtration: In biological laboratories, these funnels may be used for filtering biological samples or suspensions, ensuring the collection of purified material.