All BLAUBRAND
® burettes, automatic burettes and bulb pipettes are supplied with a batch number and an accompanying batch certificate in the original packaging. On request, they are also available with an individual certificate, USP individual certificate or DAkkS calibration certificate.
BLAUBRAND
® ETERNA, tall form, class A, amber graduation. DE-M marking. Boro 3.3. DIN EN ISO 4788. Calibrated to contain (TC, »In«). Marks and inscriptions in ETERNA amber stain. With spout and hexagonal glass base.