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Vacuum Filtration Apparatus
Original price was: ₹3,000.00.₹1,490.00Current price is: ₹1,490.00.
Quick answer: Vacuum filtration apparatus is used to filter a solid from a liquid much faster than gravity filtration, by drawing the liquid through filter paper with the help of a vacuum source.
In a typical setup, a funnel holding filter paper sits on top of a thick-walled flask fitted with a side arm, which is connected by tubing to a vacuum pump or water aspirator. The reduced pressure inside the flask pulls the liquid through the filter paper quickly, while the solid is retained on the paper. This is considerably faster than gravity filtration and also helps to draw the solid drier, which is especially useful when the solid itself is the product being collected.
Vacuum filtration is a routine technique in both teaching and research laboratories, wherever a reaction product, precipitate or recrystallised solid needs to be separated cleanly and efficiently from its mother liquor.
Technical Specifications
| Parameter | Detail |
|---|---|
| Function | Rapid filtration of a solid from a liquid under vacuum |
| Typical components | Filtration funnel, thick-walled flask with side arm, vacuum tubing |
| Vacuum source | Vacuum pump or water aspirator (confirm fittings at enquiry) |
| Typical use | Collecting crystals, precipitates and reaction products |
Applications
- Collecting crystals after recrystallisation in organic chemistry
- Separating a precipitate from a reaction mixture
- General fast, thorough filtration in teaching and research laboratories
- Preparing dry solid samples for weighing or further analysis
Care & Handling
- Inspect the flask for cracks or chips before every use, as damaged glassware under vacuum can be hazardous
- Check all tubing connections are secure before switching on the vacuum source
- Release the vacuum before disconnecting tubing to avoid sudden pressure changes
- Clean the funnel and flask promptly after use to prevent residue building up
Why Choose LabEquip
LabEquip supplies filtration equipment alongside our wider lab glassware range and chemistry lab equipment to schools, colleges and research laboratories across India. For bulk or institutional requirements, contact us and our team will help confirm the right setup for your workflow.
Frequently Asked Questions
What is vacuum filtration apparatus used for?
It is used to filter a solid from a liquid much faster than gravity filtration, by drawing the liquid through the filter paper with the help of a vacuum source.
How does vacuum filtration work?
A funnel holding filter paper sits on a thick-walled flask that is connected to a vacuum pump or aspirator; the reduced pressure pulls the liquid through the filter quickly, leaving the solid behind.
What is the apparatus commonly used for in the laboratory?
It is commonly used to collect crystals after recrystallisation, separate precipitates from a reaction mixture, and carry out other procedures where fast, thorough filtration is needed.
What vacuum source is needed?
A vacuum pump or water aspirator is typically used to provide the reduced pressure; confirm the fittings on this apparatus match the vacuum source available in your laboratory.
Is the flask safe to use under vacuum?
The flask used for vacuum filtration is thick-walled to withstand reduced pressure, but it should always be inspected for cracks or chips before use and never used if damaged.
Does LabEquip supply vacuum filtration apparatus for bulk or institutional orders?
Yes. LabEquip supplies vacuum filtration apparatus to schools, colleges and laboratories across India, including bulk and institutional orders. Contact us for a quotation.
Last Updated: September 2026
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