PYREX 500mL Class A Mixing Volumetric Flask with Glass Standard Taper Stopper 5820-500

The PYREX 500mL Class A Mixing Volumetric Flask with Glass Standard Taper Stopper is precision laboratory glassware designed for accurate solution preparation, chemical dilution, and efficient mixing of liquids and powders. Featuring a specially designed upper mixing bulb positioned between the stopper and calibration line, the flask facilitates thorough mixing during shaking. Its Class A volumetric accuracy, durable glass construction, and hollow glass stopper make it ideal for analytical laboratories, pharmaceutical research, chemical testing, reagent preparation, and quality control applications. Key Features - 500mL Capacity: Suitable for accurate preparation of standard laboratory solutions. - Class A Accuracy: Precision volumetric tolerance of ±0.20mL. - Special Mixing Bulb: Upper bulb facilitates efficient mixing of liquids and powders when shaken. - Mixing Bulb Capacity: Approximately 50mL, equivalent to one-tenth of the flask's rated capacity. - Glass Standard Taper Stopper: No. 19 hollow glass stopper. - Precision Measurement: Class A calibration supports accurate solution preparation. - Flat Bottom Design: Provides stability on laboratory work surfaces. - Reusable Construction: Designed for repeated professional laboratory applications. - Versatile Applications: Suitable for analytical chemistry, reagent preparation, pharmaceutical testing, and quality control. Specification Details Brand PYREX Manufacturer Corning Product Code 5820-500 Product Type Mixing Volumetric Flask Capacity 500mL Accuracy Class Class A Tolerance ±0.20mL Flask Feature Upper Mixing Bulb Mixing Bulb Capacity Approximately 50mL Stopper Type Hollow Glass Standard Taper Stopper Size No. 19 Top Style Standard Taper Stopper Flask Shape Flat Bottom Height Approximately 322mm Outside Diameter Approximately 100mm Quantity per Pack 1 Piece Quantity per Case 1 Piece Reusable Yes Applications Solution Preparation, Liquid Mixing, Powder Dissolution, Analytical Chemistry, Pharmaceutical Testing