德国ISOLAB席琳自动滴定管（塑料自动归零)020.03.010
Manufactured from pre-vacuum calibrated borosilicate 3.3 tubing according to ISO 385 standard. Calibrated according to DIN/ISO Class “AS” standard. Conformity mark (“DE-M”) and batch number printed on the body surface. Batch certificate can be downloaded from website. Clear schilling burettes are featured with a schellbach stripe. Supplied with a PTFE “needle” valve stopcock. Inscriptions and nominal values are printed with long lasting enamel color.
德国ISOLAB席琳自动滴定管（塑料自动归零)020.03.010
德国ISOLAB席琳自动滴定管（塑料自动归零)020.03.010