Product Description
Filter without paper and recover clean solids directly from a rigid glass disc. A fritted Buchner funnel is reusable, easy to clean and resistant to most chemicals, making it a dependable choice for collecting crystals, washing precipitates and clarifying solutions day after day.
This listing is for Kimble catalog number 28400-1503: KONTES Buchner Funnel, Fine Porosity Filter, 150 mL. Funnels have heavy-walled stems, beaded rims for strength and a marking spot. Choose coarse, 40 to 60 microns; medium, 10 to 15 microns; or fine, 4 to 5.5 microns porosity, in sizes from 2 mL to 3000 mL with disc diameters from 10 to 150 mm. Glass is low extractable 33 expansion borosilicate meeting USP Type I and ASTM E438. LIGHT LABS supplies the complete DWK Life Sciences line, including Kimble, Wheaton and DURAN labware.
Key Features
- Fritted glass disc – Reusable filter with no paper required.
- Three porosities – Coarse, medium and fine options.
- Heavy-walled stem – Added strength for vacuum use.
- Beaded rim – Reinforced top resists chipping.
- Wide size range – 2 mL to 3000 mL capacities.
Specifications
| Catalog Number | 28400-1503 |
| Brand | Kimble (DWK Life Sciences) |
| Description | KONTES Buchner Funnel, Fine Porosity Filter, 150 mL |
| Sold As | Each |
| Glass | Borosilicate glass 3.3 (33 expansion), low extractable |
| Standards | USP Type I; ASTM E438, Type I, Class A |
| Frit porosity | Coarse 40-60 microns; medium 10-15 microns; fine 4-5.5 microns |
| Stem | Heavy wall |
| Rim | Beaded |
| Marking spot | Yes |
Available Options
- 28400-1501 – KONTES Buchner Funnel, Course Porosity Filter, 150 mL, Case of 4
- 28400-1502 – KONTES Buchner Funnel, Medium Porosity Filter, 150 mL, Case of 4
- 28400-151 – KONTES Buchner Funnel, Course Porosity Filter, 15 mL, Case of 6
- 28400-152 – KONTES Buchner Funnel, Medium Porosity Filter, 15 mL, Case of 6
- 28400-153 – KONTES Buchner Funnel, Fine Porosity Filter, 15 mL
- 28400-20001 – KONTES Buchner Funnel, Course Porosity Filter, 2000 mL
- 28400-20002 – KONTES Buchner Funnel, Medium Porosity Filter, 2000 mL
- 28400-21 – KONTES Buchner Funnel, Course Porosity Filter, 2 mL, Case of 9
- 28400-22 – KONTES Buchner Funnel, Medium Porosity Filter, 2 mL, Case of 9
- 28400-23 – KONTES Buchner Funnel, Fine Porosity Filter, 2 mL
- 28400-30001 – KONTES Buchner Funnel, Course Porosity Filter, 3000 mL
- 28400-30002 – KONTES Buchner Funnel, Medium Porosity Filter, 3000 mL
- 28400-301 – KONTES Buchner Funnel, Course Porosity Filter, 30 mL, Case of 6
- 28400-302 – KONTES Buchner Funnel, Medium Porosity Filter, 30 mL, Case of 6
Applications
- Vacuum filtration
- Crystal collection and washing
- Solvent clarification
- Gravimetric work
