PYREX Burettes, Class AS, with Schellbachstripe and PTFE key, 50 mL

Description

Complies with ISO 385 | Manufactured from chemically resistance borosilicate glass | With funnel top to make filling easier and safer | Each burette is fitted with fluted funnel top. | Schellbach burette tube with vertical white stripe and central blue ribbon - Facilitates accurate reading of meniscus - exact position of the meniscus is clearly defined where the blue ribbon splits into a wide and narrow band | Each burette has a +30s waiting time before final reading can be taken | Grease-free interchangeable PTFE key with 1.5mm bore | Graduations and inscriptions in blue enamel