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Flask, Filtering
High-Pressure Structural Reinforcement: Engineered with significantly increased wall thickness compared to standard conical flasks to withstand a full vacuum of 1 bar (100 kPa) without implosion risk.
Integrated Side-Arm Tubulature: Features a precision-molded glass hose barb designed for secure, leak-proof connections with flexible vacuum tubing, facilitating efficient liquid-solid separation in modular filtration assemblies.
₹455.00
Quick answer: A Filtering Flask (Buchner flask) is a heavy-walled flask with a side arm, used to hold vacuum during Buchner filtration for the rapid separation of precipitates from liquid. Flask, Filtering is priced at approximately ₹455 (indicative market benchmark, incl. GST, August 2026).
A filtering flask, also called a Buchner flask, has a side arm (tubulature) partway up its heavy-walled body, used to connect to a vacuum source such as a filter pump. Fitted with a Buchner funnel and filter paper on top, it allows vacuum-assisted (rather than gravity) filtration, which speeds up the separation of a solid precipitate from a liquid. The heavy walls provide structural integrity to safely withstand the negative pressure. It’s a standard piece of equipment for vacuum filtration in college and research chemistry laboratories.
Technical Specifications
| Parameter | Detail |
|---|---|
| Product Type | Filtering flask (Buchner flask) |
| Function | Vacuum filtration, rapid precipitate separation |
| Design | Heavy-walled with reinforced side arm for vacuum connection |
| Exact capacity | Not independently verified for this listing — confirm with STEMAids before ordering |
| Vacuum rating | Manufacturer-stated — verify before publishing |
| Price | Approx. ₹455 (indicative market benchmark, incl. GST, August 2026) |
| Exact dimensions/technical detail | Not independently verified for this listing — confirm with STEMAids before specifying in a tender |
Applications
- Vacuum-assisted (Buchner) filtration of precipitates
- Rapid solid-liquid separation in synthesis workup
- College and research chemistry laboratory practicals
- General-purpose vacuum filtration setups
Care & Maintenance
- Inspect for cracks or chips before use — a compromised flask should not be used under vacuum
- Clean thoroughly after each use to prevent residue buildup
- Connect vacuum tubing securely to the side arm to maintain a good seal
Why Choose STEMAids
STEMAids supplies a wide range of Chemistry Lab Equipments including Economy Calorimeter for related laboratory and classroom needs. Eduscope Smart Learning Solutions Private Limited is a Udyam-registered micro manufacturing enterprise (UDYAM-DL-06-0069460) and ISO 9001:2015 certified, supplying schools, colleges and vocational institutes across India and for export.
Frequently Asked Questions
What is a filtering flask used for?
It’s used for vacuum-assisted (Buchner) filtration, holding vacuum via its reinforced side arm to speed up the separation of a solid precipitate from a liquid.
What capacity does this filtering flask hold?
The exact capacity has not been independently verified for this listing — confirm with STEMAids before ordering.
Does this come with a Buchner funnel?
This listing is for the filtering flask only; contact STEMAids to confirm compatible Buchner funnel options.
Is this suitable for a college chemistry teaching lab?
Yes — filtering flasks are standard equipment for vacuum filtration techniques taught in chemistry coursework.
Does STEMAids supply a matching filter pump?
Contact STEMAids to confirm compatible vacuum sources for a complete setup.
Is STEMAids a registered manufacturer of this product?
Yes. Eduscope Smart Learning Solutions Private Limited is a Udyam-registered micro manufacturing enterprise (UDYAM-DL-06-0069460) and is ISO 9001:2015 certified. See the About page for full registration and certification details — manufacturer-stated, verify before citing in procurement documents.
Last updated: 29 August 2026.
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