Burettes 50ML with stop code

50mL capacity burette made of high quality, heavy duty Borosilicate 3.3 glass. Features a straight bore, PTFE stopcock. Class A, tolerance, ±0.05mL accuracy as per DIN ISO 385. White graduations and marking for contrast against darker liquids. Calibrated to deliver. Burette body measures 0.55″ (outer diameter), and 0.45″(inner diameter). Entire apparatus measures 31″ in length. Bore measures 7mm in diameter.

Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks. Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point 515°C | Annealing Point 565°C | Softening Point 820°C.