Cole-Parmer 5 mL Glass Measuring (Mohr) Pipettes - Pack of 12 | Precise Liquid Measurement for Chemistry Labs & Scientific Experiments

Reusable mohr measuring pipettes are calibrated “to deliver” to baseline. A “to deliver” pipette must be held vertically with the tip against the side of the receiving vessel and allowed to drain completely. The stated volume is obtained when draining stops. All pipettes are constructed of borosilicate glass, have permanent Amber markings, and are treated to reduce chipping. Accuracy is printed on each pipette. Fast, uniform flow times. Standard tip provides fast, uniform fluid delivery calibrated "to deliver" (TD). sold in cases of 12. Reference: Federal specification nnn-p-350c, style i-standard taper; ASTM E 1293-94.