PYREX Automatic Burette, Class AS, Schellbach stripe, with PTFE key and intermediate stopcock, 50 mL

Description

Complies with ISO 385 and DIN 12700 | Manufactured from borosilicate glass 3.3. | With automatic zero facility | Intermediate stopcock facilitates easy drainage of liquid back into reservoir | Blue enamel graduations with Schellbach stripe | Schellbach burette tube with vertical white stripe and central blue ribbon - facilitates accurate reading of the meniscus - exact position of the meniscus is clearly defined where the blue ribbon splits into a wide and narrow band | 1.5mm bore PTFE key stopcock | All automatic burettes feature a Quickfit cone NS 29/32.