Quick answer: A Rotaflow Burette uses a screw-thread PTFE stopcock that allows fine, drop-wise control of reagent delivery without needing stopcock grease, unlike glass-key burettes. Burette, Rotaflow is priced at approximately ₹275 (indicative market benchmark, incl. GST, August 2026).
A Rotaflow burette uses a screw-thread PTFE stopcock instead of a glass key, allowing fine, drop-wise control of reagent delivery during titration. Because the stopcock is PTFE rather than glass-on-glass, it doesn’t need to be greased to seal or turn smoothly, which also avoids grease potentially contaminating a sample or reagent. This makes it a convenient, low-maintenance choice for titration in college and research analytical chemistry laboratories.
Technical Specifications
| Parameter | Detail |
|---|---|
| Product Type | Burette, Rotaflow (screw-thread PTFE stopcock) |
| Function | Fine, grease-free control of liquid reagent delivery during titration |
| Stopcock Type | Screw-thread PTFE |
| Construction | Glass column with PTFE stopcock |
| Exact capacity/graduation increments | Not independently verified for this listing — confirm with STEMAids before ordering |
| Price | Approx. ₹275 (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
- Acid-base and other titrations requiring grease-free, fine flow control
- Analytical chemistry practicals avoiding stopcock grease contamination
- College and research chemistry laboratory volumetric analysis
- General-purpose controlled liquid dispensing
Care & Maintenance
- No stopcock grease is needed for the PTFE key — avoid applying grease unnecessarily
- Clean thoroughly after each use to prevent residue from affecting future readings
- Store upright, ideally on a burette stand, to protect the graduated tube
Why Choose STEMAids
STEMAids supplies a wide range of Chemistry Lab Equipments including Aspirator 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 Rotaflow burette used for?
It’s used for titration, giving fine, drop-wise control of reagent delivery via a screw-thread PTFE stopcock that requires no grease.
What capacity does this burette hold?
The exact capacity and graduation increments have not been independently verified for this listing — confirm with STEMAids before ordering.
Why choose a PTFE stopcock over a glass key?
A PTFE stopcock doesn’t need grease to seal or turn smoothly, avoiding the risk of grease contaminating a sample or reagent — a practical advantage for precise analytical work.
Is this suitable for a college chemistry teaching lab?
Yes — Rotaflow burettes are standard equipment for titration practicals in analytical chemistry coursework.
Does STEMAids supply matching burette stands and clamps?
Contact STEMAids to confirm compatible support equipment for a complete titration 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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