Volumetric flasks, DURAN®, class A

Blaubrand®. Class A. DIN EN ISO 1042.
Conformity certified with works certified batch number. Ring marks and inscriptions in highly contrasting blue enamel. Calibrated to contain PP stoppers. All Blaubrand® volumetric flasks are delivered with batch number and one batch certificate included per pack. Also available with individual works or DKD calibration certificate, please enquire. Blaubrand® volumetric flasks (except wide neck flasks) are also available with individual and batch USP certification.
The batch certificate is also available to download from the manufacturer's website.
Capacity 20 ml
NS 10/19
Tolerance 0.04 ± ml