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Vacuum Filter Hopper (Buhner Hopper)
Vacuum Filter Hopper (Buhner Hopper) (Product Code: SCI-345/139) is a 120 ml Buchner-type vacuum filtration funnel used to separate solids from liquids quickly under suction in chemistry and biology laboratories. A filter paper disc rests on the funnel’s flat perforated base, and suction from below pulls the liquid through, leaving a drier solid on the paper. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India, alongside its chemistry lab glassware.
Specifications
| Parameter | Detail |
|---|---|
| Type | Vacuum filtration funnel (Buchner funnel) |
| Capacity | 120 ml |
| Material | Listed as porcelain; the listing also names borosilicate glass — please confirm the material with us |
| Use | Filtering solutions through filter paper; the paper must suit any acids or bases present, as some filter papers are not resistant to them |
| Product code | SCI-345/139 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is a Buchner Funnel Used For?
Vacuum filtration is the standard way to collect crystals after recrystallisation, separate a precipitate in a salt preparation, or wash a solid product on the filter. Compared with gravity filtration through a cone of paper, it is much faster and leaves the solid far drier, which shortens drying time before weighing.
To use it, seat the funnel in a filter flask with a bung or adapter, connect the flask’s side arm to a vacuum pump or water aspirator with thick-walled tubing, and lay a paper disc that covers every hole without climbing the walls. Wet the paper with the solvent, apply suction, then pour. Always release the vacuum before switching off the pump, so water or oil cannot be sucked back into the flask.
What to Specify When Ordering
- Material required — porcelain or borosilicate glass, since the listing names both.
- Whether the 120 ml capacity suits your batch size.
- Filter paper to match the funnel base — ask us for the right disc size.
- Whether you also need a filter flask, tubing and a vacuum source for a complete set.
OEM Manufacturer
Jain Scientific Equipments Private Limited (CIN U29309HR2020PTC087597), trading as ScienceLab, is the original equipment manufacturer of this vacuum filter funnel. Production takes place at the company’s licensed factory at 449, HSIIDC Industrial Area, Saha, Ambala (Factory Licence AMB-ONLINE-CHD-J-414).
Because it comes straight from the maker, schools, colleges, dealers and importers get quotations and repeat supplies without a middleman, and questions about matching filtration parts go to the same team. See the company profile for more.
Related Laboratory Equipment
Build a vacuum filtration set-up with these items:
- Vacuum Filtration Equipment — a complete filtration assembly for the lab.
- Conical Filter Flask — the side-arm flask that receives the filtrate.
- Filter Papers — paper discs to lay on the funnel base.
- Vacuum Pump, Hand — a simple suction source for small batches.
- Rubber Tube (Laboratory) — connects the flask to the pump.
More items are in the Laboratory Equipment category.
Frequently Asked Questions
What is the capacity of the Vacuum Filter Hopper?
The Vacuum Filter Hopper (Buhner Hopper) has a capacity of 120 ml. That volume suits class-scale preparations such as collecting crystals or a precipitate; for larger batches, filter in portions or ask us about other filtration items.
Is the funnel porcelain or glass?
The catalogue listing for the Vacuum Filter Hopper (Buhner Hopper) describes it as a porcelain Buchner funnel but also gives the material as borosilicate glass. Please state which material you need in your enquiry, and we will confirm the version before quoting.
What else is needed for vacuum filtration?
To use the Vacuum Filter Hopper (Buhner Hopper) you also need a filter flask with a bung or adapter, thick-walled tubing, a vacuum pump or water aspirator, and filter paper discs. ScienceLab can quote these items together with the funnel.
Can it be used to filter acids and bases?
The Vacuum Filter Hopper (Buhner Hopper) can filter acidic or basic solutions only when the filter paper suits them, because some filter papers are not resistant to certain acids and bases. Choose a paper grade suited to your sample and rinse the funnel promptly after use.
Who manufactures the Vacuum Filter Hopper (Buhner Hopper)?
The Vacuum Filter Hopper (Buhner Hopper) is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), the OEM, at its licensed factory at Saha, Ambala, Haryana, India. Quotations and repeat orders are handled directly by the manufacturer.
Can I order it in bulk or for export?
Yes, the Vacuum Filter Hopper (Buhner Hopper) can be quoted in quantity for schools, colleges, dealers and importers in India and international markets. Include the quantity, preferred material and delivery destination in your request through the contact page.
Request a Quote
To get a price for the Vacuum Filter Hopper (Buhner Hopper), code SCI-345/139, write to us through the contact page or add it to the enquiry cart with the rest of your filtration set. The quotation comes directly from the manufacturer.
Last updated: 24 September 2026
