Burettes with straight bore interchangeable PTFE key stopcock, capacity 50ml, Sub. Div. 0.10ml Tolerance ± 0.05ml, class 'A', White Graduation

• Precision bore burette with PTFE key stopcock
• Made of high quality, chemical resistant borosilicate 3.3 glass
• Mechanically strong with low temperature gradient
• Individually calibrated to deliver (Ex) at 20 C reference temperature
• Easy to read chemical resistant printed scale
• Self lubricating interchangeable PTFE key stopcock
• Complies with DIN ISO 385 standard
• Autoclavable at 121 C
• Batch certificate available to download online (for Class-A only)