Volumetric flask 50 ml, DURAN, Cl.A NS 12/21, with poly stopper KB, blue graduated

IN (TD) calibrated. With dated batch identification. Declaration of conformity acc. to DIN 12600. With NS ground joint and polystopper. Ring mark and graduation in durable blue enamel, acc.to DIN EN ISO 1042.
For those products batch calibration reports, which are free of charge, can be generated and printed on www.hirschmannlab.com. Additional single calibration reports or DAkkS certificates (former DKD calibration reports) are available. Also available with dated batch identfication acc. to USP (US Pharmacopeia).