Cole-Parmer Cole-Parmer Glass Burette, Class A, PTFE Stopcock; 10 mL GO-63115-10

• Positive threaded-back PTFE stopcock won't come loose during titrations • Class A burettes with clear borosilicate bodies and chemical-resistant PTFE stopcocks • White graduation markings are easy to read • Calibrated at 20°C to exceed ASTM E287 (meets or exceeds DIN, ISO, and ASTM standards) • Maximum temperature of 460°F (240°C) for normal use and 750°F (400°C) for short-term use