Description
| Catalog No. | Capacity ml. | Sub Div. ml |
| 11254/1 | 10 | 0.05 |
| 11254/2 | 25 | 0.10 |
| 11254/3 | 50 | 0.10 |
| 11254/4 | 100 | 0.20 |
The Burette with Straight Bore PTFE Key Stopcock, Class A, is a high-precision volumetric instrument designed for accurate liquid dispensing in analytical and research laboratories. The PTFE key stopcock ensures smooth, leak-free flow control with excellent chemical resistance. This burette is essential for applications requiring the highest level of accuracy and compliance with international standards.
Key Features
- Straight bore PTFE key stopcock for precise and smooth flow regulation
- Class A accuracy for high-precision volumetric analysis
- Clear, permanent blue graduations for easy and accurate readings
- Excellent chemical resistance suitable for aggressive reagents
- Smooth internal surface for complete liquid drainage
- Supplied with a batch certificate for quality assurance
Material Specifications
- Material Type: High-quality laboratory glass with PTFE components
- Thermal Properties: Resistant to standard laboratory temperature variations
- Chemical Resistance: Excellent resistance to acids, alkalis, and solvents
- Mechanical Properties: Robust construction with uniform wall thickness
- Standards Compliance: Manufactured in accordance with DIN ISO 385 standards
Technical Specifications
- Available Capacities: As per the standard size table
- Graduation: Blue printed scale, clear and durable
- Accuracy Class: Class A
- Tolerance: As specified by DIN ISO 385 for Class A
- Calibration: Batch calibrated; individual calibration available on request
- Stopcock Type: Straight bore PTFE key stopcock
- Accessories Included: Supplied ready for use (no additional accessories required)
Handling & Precautions
- Rinse thoroughly before first use to ensure accurate readings
- Operate the PTFE key stopcock gently to ensure long service life
- Clean after use using appropriate laboratory detergents
- Suitable for autoclaving under standard laboratory conditions
- Avoid sudden temperature changes and mechanical shock
- Store vertically in a burette stand when not in use
Applications
- High-precision titration and volumetric analysis
- Pharmaceutical quality control and analytical testing
- Chemical and analytical research laboratories
- Biotechnology and life science laboratories
- Academic research and teaching institutions
- QC/QA laboratories requiring Class A accuracy






