Volumetric flasks, BLAUBRAND®, class A, conformity certified, with batch number and enclosed batch certificate.
Borosilicate glass 3.3, DIN EN ISO 1042. Calibrated to contain ("In"). Ring mark and inscription in high contrast blue enamel. With PP stopper. Pack of 2 in original supplier packaging (size 1000 to 10000 ml: pack of 1), incl. one batch certificate.
Also available with individual certificate or DAkkS calibration certificate on request.
W = wide neck
1) in addition to ISO size