Burette Class-B with PTFE Key Stopcock
Product Code : LSK-GB-10413
Burette Class-B with PTFE Key Stopcock (SKU LSK-GB-10413) is a general-purpose titration burette whose scale is printed in amber enamel and whose flow is controlled by a PTFE key stopcock. It suits school and institutional laboratories where Class B accuracy is enough for teaching and routine titrations. Science Lab Supplies takes enquiries for it in Ambala, India from schools, colleges, training institutes, tender contractors and distributors.
Specifications
This Class B burette's details are tabulated below. In short, two features define it: amber enamel graduations that stand out against colourless solutions, and a PTFE key in the stopcock that turns without grease; Class B is the general-purpose tolerance class, and capacity is fixed when the quotation is prepared.
| Specification | Value |
|---|---|
| SKU | LSK-GB-10413 |
| Tolerance class | Class B |
| Stopcock | PTFE key |
| Graduation printing | Amber colour enamel |
| Suitable for | Schools and institutional laboratories |
| Capacity | Confirmed on the quotation |
| Supplied by | Science Lab Supplies, Ambala, India |
Applications and Experiments for the Class B Burette
This Class B burette is a practical choice for student titrations, where many burettes are in daily use and the tightest tolerance is not needed. The grease-free PTFE key avoids the sticking and contamination greased glass stopcocks can suffer, and end points can be judged with Phenolphthalein Solution Indicator.
- CBSE/NCERT Class 11 chemistry: standardising sodium hydroxide with oxalic acid.
- Class 12 chemistry: permanganate titrations with oxalic acid and Mohr's salt.
- B.Sc. first-year chemistry: introductory volumetric analysis, with the burette mounted on a Laboratory Retort Stand.
- Diploma, ITI laboratory assistant and technician courses: titration practice.
Standard Scope of Supply
The Burette Class-B with PTFE Key Stopcock is supplied as a single unit as described above, with its PTFE key stopcock fitted; any optional accessories and your required capacity are listed on the quotation. Stands, clamps and flasks can be added to the same enquiry as separate lines.
Packing, MOQ and Lead Time
A quotation can cover anything from one burette to a full class set. It gives packing, delivery time and price for your quantity, and you can ask for the Class B burette price in India alongside clamps and conical flasks for the same benches.
Through its Importer-Exporter Code, Science Lab Supplies can ship to buyers in Saudi Arabia, Oman, the Philippines, Nepal, Bangladesh and Zambia. For a class set, note the capacity and number of burettes on the contact page, gather them with clamps in the enquiry cart, or work through the lab tender page for a formal tender.
Frequently Asked Questions
What does Class B mean?
Class B is the general-purpose tolerance class for volumetric glassware. It allows a wider tolerance than Class A and suits student titrations and routine work where the tightest accuracy is not required.
Why choose a PTFE key over a glass stopcock?
A PTFE key turns without grease, so it does not stick, seize or leave grease in the titrant. That makes it easier for students to handle and simpler to maintain between practicals.
What capacity is offered?
Capacity is set to your requirement. Name the volume you need on the contact page and it will be confirmed on the quotation, together with the quantity and packing.
Who supplies the Burette Class-B with PTFE Key Stopcock?
Schools, colleges, institutes and distributors receive quotations for this burette from Science Lab Supplies, a supplier based in Ambala in Haryana, India.
Related Class B Burettes and Accessories
Class B burettes come with different stopcocks and capacities, and every burette needs a clamp and a receiving flask. These items from the Glassware Burette, Lab Glassware and Chemistry Lab ranges let you compare types and equip each titration place on one quotation.
- Burette Class B With Glass Stopcock — Class B burette with a glass stopcock, also printed in amber.
- Burettes Class B — borosilicate Class B burettes using a PTFE needle valve.
- Burette Clamp Aluminium — rubber-sleeved jaws grip burettes up to 30 mm.
- Borosilicate Conical Flask — borosilicate Erlenmeyer-type receiving flask.
- Burette for Bases — 50 ml graduated glass burette with a tap and valve.
- Burette for Acids — 25 ml glass burette with a glass faucet and 0.1 ml separation.
- Burette Clamp — one-piece acetal clamp for a 50 ml burette on 12 mm rods.
Browse the full Glassware Burette range, the Chemistry Lab range, or all school lab equipment.
Last updated: 9 October 2026
