Corning Volumetric Flask 10 ml with Glass Taper Stopper Total of 9 Flasks

The Corning 5640-10 is a 10 milliliter Class A volumetric flask ideal for precise liquid measurement. Made from durable PYREX® borosilicate glass, it features a standard size 9 glass taper stopper for a secure closure. Manufactured to meet Class A tolerances set by ASTM International, this flask ensures accurate results in your experiments. While you require 9 flasks, they are typically sold by the dozen. Consider purchasing a dozen flasks for potential cost savings, though some laboratory suppliers might offer individual sales.