Volumetric flasks, borosilicate glass 3.3, class A, blue graduations, with PP stoppers Blaubrand®. Class A. DIN EN ISO 1042. DE-M marking with certified batch number. Ring marks and inscriptions in highly contrasting blue enamel. Calibrated to contain (IN). PP stoppers. All Blaubrand® volumetric flasks are delivered with batch number and one batch certificate included per pack. Also available with individual works or DAkkS (former DKD) calibration certificate, please enquire.
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