- 50 ml borosilicate ASTM burette
- Glass key stopcock
- Single straight bore
- Class A
- 0.1 ml ceramic graduations
- Tolerance ±0.05 ml
- Made from high quality 3.3 borosilicate glass
- Superior chemical durability*
- Complies with DIN ISO 385 and ASTM E1272
*See specifications tab for temperature and chemical durability information