Burette, Amber, 50mL - Class A - With PTFE Stopcock - Borosilicate Glass

• Amber glass is suitable for light sensitive chemicals
• Burette has chemical-resistant white printed scale in 0.1mL graduations
• Class A, +/- 0.05mL tolerance as per ASTM, DIN ISO 385 standards for precision
• Includes an attached PTFE straight bore stopcock
• Made from heavy-duty borosilicate 3.3 glass

The amber borosilicate 3.3 glass of this 50mL burette is suitable for light-sensitive chemicals. Comes fitted with a PTFE straight bore stopcock. The ±0.05mL tolerance meets ASTM Class A / DIN ISO 385 standards for precision. White, printed graduation lines with 1mL and 0.1mL sub divisions. Burette measures 77.5cm (30.5") in length, and has an inner diameter of 11mm and an outer diameter of 14mm. Each burette is individually calibrated for highest accuracy.

Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point 515°C | Annealing Point 565°C | Softening Point 820°C. Calibrated for delivery.