PYREX 50mL Low Actinic Class A Certified and Serialized Volumetric Flask with Glass Stopper

The PYREX 50mL Low Actinic Class A Certified and Serialized Volumetric Flask is precision laboratory glassware designed for accurate solution preparation, dilution and volumetric analysis. Manufactured from durable red low-actinic borosilicate glass, it helps protect light-sensitive substances while maintaining excellent chemical resistance and thermal stability. Each flask is individually serialized and certified, featuring a permanent graduation mark and a matching glass stopper for dependable laboratory measurements. Key Features and Specifications - Capacity: 50mL. - Material: PYREX red low-actinic borosilicate glass. - Accuracy: Class A certified and serialized. - Tolerance: ±0.05mL. - Stopper: No. 9 standard taper hollow red glass stopper. - Design: Flat-bottom flask with long narrow neck. - Height: Approximately 152mm. - Outer Diameter: Approximately 51mm. - Calibration: Calibrated to contain (TC). - Calibration Standards: ASTM E542 and ASTM E288. - Certification: Individually serialized with NIST-traceable Certificate of Identification and Capacity available online. - Graduation: Permanent calibration line with clear white markings. - Light Protection: Red low-actinic glass helps protect light-sensitive solutions. - Reusability: Reusable laboratory glassware. - Packaging: 1 flask per pack. - Applications: Analytical chemistry, pharmaceutical testing, reagent preparation, research laboratories and quality control testing.