PYREX 250mL Low Actinic Class A Certified and Serialized Volumetric Flask with Glass Stopper

The PYREX 250mL Low Actinic Class A Certified and Serialized Volumetric Flask is precision laboratory glassware designed for accurate solution preparation, dilution and volumetric analysis. Manufactured from red low-actinic glass, it helps protect light-sensitive solutions while maintaining excellent chemical stability and durability. Each flask is individually serialized and supplied with a No. 16 standard taper glass stopper, making it suitable for pharmaceutical, analytical, research and quality control laboratories. Key Features and Specifications - Capacity: 250mL. - Material: PYREX red low-actinic glass. - Accuracy: Class A certified and serialized. - Tolerance: ±0.12mL. - Stopper: No. 16 standard taper hollow red glass stopper. - Design: Flat-bottom flask with long narrow neck. - Height: Approximately 253mm. - Outer Diameter: Approximately 78mm. - 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 easy-to-read white markings. - Light Protection: Red low-actinic glass helps protect light-sensitive substances. - Reusability: Reusable laboratory glassware. - Packaging: 1 flask per pack. - Applications: Analytical chemistry, pharmaceutical testing, research laboratories, reagent preparation and quality control.