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Glass Büchner Funnel with Filter Plate
Glass Büchner funnels with filter plate for vacuum filtration.
Available in different capacities and porosities (0–4). High chemical resistance and precision in solid-liquid separation. Compatible with vacuum systems and Kitasato flasks.
Glass Büchner funnels with filter plate are devices designed for the efficient separation of solid-liquid phases by vacuum filtration in laboratory settings.
Made of high-quality glass, they offer excellent chemical resistance and allow direct visualization of the filtration process, which facilitates control and reproducibility of results.
They incorporate a sintered filter plate that eliminates the need for additional support in certain applications, providing uniform particle retention according to the selected porosity grade. They are available in porosities ranging from grade 0 to grade 4, which allows the system to be adapted to different particle sizes and analytical requirements:
- Grade 0: 160–250 µm
- Grade 1: 100–160 µm
- Grade 2: 40–100 µm
- Grade 3: 16–40 µm
- Grade 4: 10–16 µm
Their use in combination with a Kitasato flask and a vacuum source—such as a pump or water aspirator—allows the filtration process to be significantly accelerated compared to gravity methods, improving operational efficiency.
The procedure consists of coupling the funnel to the flask using a rubber adapter to ensure airtightness, applying a vacuum, and performing the separation, retaining the solid on the filter plate or on the filter paper when used.
Available in multiple capacities, these funnels adapt to different work volumes and applications in chemistry, biology, quality control, and education.
They constitute a precise, versatile, and reliable solution for filtration processes that require control, speed, and consistency in results.
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