Burette with Glass Stopcock - 50ml
Product Code : SCL-CLE-11932
Quick Answer: The Burette with Glass Stopcock – 50ml is a 50 ml borosilicate glass 3.3 burette with an interchangeable, precision-ground glass plug, graduated in 0.1 ml divisions and calibrated To Deliver at 20 °C for classical titration.
Last updated: 18 October 2026
Key Features
- Ground-glass plug, with no plastic or synthetic seals in the stopcock.
- Glass plug is interchangeable.
- Permanent amber or blue enamel scale with 0.1 ml sub-divisions.
- Made in Class AS (±0.05 ml) or Class B (±0.10 ml).
- Gives students practice in applying a thin, even layer of stopcock grease, a basic titration skill.
Technical Specifications
| Specification | Value |
|---|---|
| Capacity | 50 ml |
| Material | Borosilicate glass 3.3 |
| Stopcock | Precision-ground, interchangeable glass plug |
| Graduation | 0.1 ml sub-divisions, permanent amber or blue enamel |
| Calibration | To Deliver (TD/Ex) at 20 °C |
| Tolerance | ±0.05 ml (Class AS); ±0.10 ml (Class B) |
How It Is Used
This burette is used for volumetric analysis where the liquid should meet only glass, and for teaching the manual technique of titration. The plug is greased lightly, the titrant is released by turning it, and the volume is read from the high-contrast scale.
Frequently Asked Questions
What tolerance does the Burette with Glass Stopcock – 50ml have?
±0.05 ml in Class AS and ±0.10 ml in Class B, with 0.1 ml sub-divisions and To Deliver calibration at 20 °C.
Does the Burette with Glass Stopcock – 50ml need stopcock grease?
Yes. The ground-glass plug is used with a thin, uniform layer of stopcock grease, and applying it is part of basic analytical training.
Related Chemistry Lab Equipment
See the full chemistry lab equipment range, or these related burettes and stopcocks:
- Burette with Rota Stopcock - 50ml
- Glass Burette 50ml
- Burette, Class-B, with Glass Key
- Glass Straight Stopcock
- Double Burette Clamp
Export orders for the Burette with Glass Stopcock - 50ml are accepted from schools, colleges and distributors in Mauritius, Comoros, São Tomé and Príncipe, Kazakhstan and Saudi Arabia.
For a quotation on the Burette with Glass Stopcock - 50ml, contact JLab India on +91-8569909696.