- 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.
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