KIMAX brand Volumetric Flasks [Standard Taper] Stopper Class A 50ml. Tolerance: +-0.05ml. [Standard Taper] ground glass stopper number 9. Calibrated to contain. Meets requirements of NBS Circular 602. Certificate of Graduation Accuracy. ASTM Specification E288 Class A serialized. (12 per CS )
KIMAX brand Volumetric Flasks [Standard Taper] Stopper Class A 50ml. Tolerance: +-0.05ml. [Standard Taper] ground glass stopper number 9. Calibrated to contain. Meets requirements of NBS Circular 602. Certificate of Graduation Accuracy. ASTM Specification E288 Class A serialized.