Normax Volumetric Flask Clear Glass with Glass Stopper 1000ml

Normax Volumetric Flask Clear Glass with Glass Stopper 31 686 54V 1000 mL

The Normax Volumetric Flask 31 686 54V (1000 mL) delivers Class A accuracy for laboratories that prepare large-volume standard solutions and precise calibration dilutions. Its borosilicate glass construction offers strong chemical resistance, excellent clarity, and reliable thermal stability. The ground glass stopper creates a tight and secure seal, while the blue graduation mark gives a clear reference point for precise meniscus reading. Normax follows ISO 1042 requirements and includes a Certificate of Performance, ensuring traceable accuracy for analytical and regulated workflows.

Key Features

• Class A Precision: Meets ISO 1042 standards and supports high-accuracy volumetric preparation.

• Ground Glass Stopper: Seals the flask firmly to protect solutions from evaporation and contamination.

• Borosilicate Glass: Handles chemical exposure, heat, and sudden temperature changes without compromising performance.

• Blue Graduation Mark: Offers high contrast for consistent and accurate meniscus alignment.

• 1000 mL Capacity: Ideal for preparing stock solutions, calibration standards, titration reagents, and large-volume dilutions.

• Certificate of Performance: Confirms verified calibration for SOP/GMP-based laboratories.

• Clear Glass Construction: Allows easy visual inspection of solution clarity and purity.

Specifications

Applications

• Analytical chemistry: Preparation of large-volume standard solutions and dilution series.

• Pharmaceutical & QC labs: Suitable for regulated workflows requiring certified volumetric accuracy.

• Environmental testing: Used for calibration solutions, sample preparation, and reagent mixing.

• Industrial laboratories: Supports formulation work, R&D, and precise large-batch preparations.

• Research & academic institutions: Ideal for teaching and practicing accurate volumetric techniques.

Handling & Maintenance

• Clean with mild, non-abrasive detergent to preserve the graduation mark.

• Rinse with distilled or deionized water for best measurement accuracy.

• Dry the outer surface to get an accurate meniscus reading.

• Avoid sudden temperature shifts to protect the borosilicate glass.

• Store the flask upright and keep the stopper separate to prevent moisture buildup.