Class A Volumetric Flasks, Serialized/Certified

Photo of Corning 5680 PYREX® Class A Certified and Serialized Volumetric Flasks with Glass Standard Taper Stopper

Calibrated to Class A tolerances in accordance with ASTM E542 and E288. Each flask is individually serialized and supplied with a Certificate of Identification and Capacity traceable to NIST standards. The graduation line is sharp and permanent and large white block letters make the inscription easy to read. Supplied with a Standard Taper stopper. Now tested and calibrated in an ISO/IEC 17050 certified laboratory.

(Sample Photo Shown. Individual items may differ from the image shown.)

Photo of Kimble 28012 KIMAX Class A Serialized and Certified Volumetric Flasks with Snap Cap

Kimble 28012 KIMAX Class A Serialized and Certified Volumetric Flasks with Snap Cap are permanently marked with an individual serial number. Supplied with a Certificate of Graduation Accuracy. Graduation ring is blasted on the neck. Calibrated to contain and supplied with a polyethylene snap cap and a marking spot. Flasks have been carefully selected to meet the requirements for accuracy, appearance, glass quality, calibration line, and inscriptions of former NBS Circular 602. The 500 mL size is suitable for determination of specific gravity of fine aggregate (ASTM C128).

Photo of Kimble 28017 KIMAX Class A Volumetric Flasks with Glass Stopper, Serialized and Certified

These volumetric flasks are ideal for measuring accurate volumes of liquids. Flask is permanently marked with an individual serial number and is supplied with a Certificate of Graduation Accuracy. Graduation ring is blasted on the neck. Flask is calibrated to contain. Supplied with a marking spot and a standard taper ground glass stopper. These flasks have been carefully selected to meet the requirements for accuracy, appearance, glass quality, calibration line, and inscriptions of former NBS Circular 602. Designed from ASTM Specification E288, Class A serialized requirements.