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7290-Funnels, Buchner, with sintered disc

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7290-Funnels, Buchner, with sintered disc

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  • 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:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. Temperature-Sensitive Filtrations: The sintered disc material is often resistant to changes in temperature, allowing for filtration processes involving hot or cold liquids.
  6. Fine Particle Filtration: Buchner funnels with sintered discs are suitable for filtering fine particles or colloidal suspensions that may clog traditional filter paper.
  7. Chemical Synthesis: In chemical synthesis, these funnels are used to separate reaction products from reaction mixtures, facilitating the isolation of the desired compounds.
  8. Solid-Liquid Separation: These funnels are essential in processes where the goal is to separate a solid phase from a liquid phase efficiently.
  9. Laboratory Purification: Buchner funnels with sintered discs are employed in various laboratory purification procedures, such as purifying compounds or separating impurities from solutions.
  10. Sample Clarification: In analytical chemistry and sample preparation, these funnels are used to clarify samples by removing suspended particles or precipitates.
  11. Extraction Processes: During extraction procedures, these funnels aid in separating extracted compounds from the extraction mixture, providing a clean and filtered solution.
  12. Environmental Analysis: Buchner funnels with sintered discs can be used in environmental laboratories for filtering water samples to analyze pollutants or particulate matter.
  13. Educational Demonstrations: These funnels are commonly used in educational laboratories to demonstrate the principles of vacuum filtration and solid-liquid separation.
  14. 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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