Description
Corning(r) 70640. This volumetric flask provides precise volume measurement. The neck is tooled for a glass stopper. The graduation line is sharp and permanent, and large blue block letters make the inscription easy to read. This volumetric flask has been manufactured to Class A tolerances as established by ASTM E-694 for volumetric ware, ASTM E-542 for calibration of volumetric ware, and ASTM E-288 for volumetric flasks. Includes stopper. 1,000 mL. Each.