硼硅酸鹽玻璃 (Boro 3.3), 依照 DIN EN ISO1042標(biāo)準(zhǔn),內(nèi)含式校準(zhǔn)(TC,In).
All BLAUBRAND® volumetric flasks are delivered with a batch number and batch certificate included in the original packaging. They are also available with individual certificates or DAkkS calibration certificate upon request.