Nalgene* Automatic Self-Zeroing Acrylic Burettes

Crystal-clear, easy-to-use, durable and safer than glass. Has an acrylic body, polymethylpentene stopcock and tip, TFE plug, three feet of Nalgene 380 clear plastic tubing and a LDPE squeeze bottle with polypropylene screw closure. Individually calibrated to meet the accuracy requirements of ASTM E-287. Unaffected by dilute mineral acids and bases except hydrofluoric acid and ammonium hydroxide. The pH range of 1 to 14 is ideal and up to 5% wt/wt of acids or 30% bases can be used. Burettes not designed for exposure to alcohol and organic solvents.