德国ISOLAB全自动滴定管019.01.025
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. Featured with an intermediate PTFE stopcock and with a PTFE “needle” valve stopcocks. Clear burettes are featured with a schellbach stripe for easier and accurate observation of the meniscus line. Inscriptions and nominal values are printed with long lasting enamel color. Automatic burettes are supplied without bottles and bellow. Bottles and bellows should be ordered separately
德国ISOLAB全自动滴定管019.01.025
德国ISOLAB全自动滴定管019.01.025