Normax Volumetric Flask Clear Glass with Glass Stopper 50mL

Normax Volumetric Flask, Clear Glass, with Glass Stopper 31 686 17V 50mL

The Normax Volumetric Flask 31 686 17V (50 mL) offers Class A precision for laboratories that prepare accurate standard solutions. Its borosilicate glass body delivers strong chemical resistance, thermal stability, and clear visibility. The ground glass stopper seals the flask tightly, while the blue graduation mark gives an easy and precise reference for reading the meniscus. The flask follows ISO 1042 standards and includes a Certificate of Performance, so users can rely on verified and traceable accuracy during analytical work.

Key Features

• Class A Accuracy: Follows ISO 1042 requirements and supports precise volumetric preparation.

• Ground Glass Stopper: Creates a reliable, airtight seal to protect solution quality.

• Borosilicate Glass: Resists thermal shock, chemical corrosion, and daily laboratory use.

• Blue Graduation Line: Offers high contrast for consistent meniscus alignment.

• 50 mL Capacity: Works well for preparing standard solutions, calibration samples, titration standards, and routine dilutions.

• Certificate of Performance: Confirms calibration traceability for GMP- and SOP-based laboratories.

• Clear Glass Construction: Allows users to check solution clarity, color, and purity.

Specifications

Applications

• Analytical chemistry: Ideal for preparing accurate standard solutions and reference dilutions.

• Pharmaceutical & QC labs: Supports regulated workflows that require certified volumetric accuracy.

• Environmental testing: Useful for preparing indicator solutions and sample standards.

• Industrial laboratories: Supports formulation work, R&D tasks, and precise solution preparation.

• Education & research: Helps students learn proper volumetric techniques with reliable glassware.

Handling & Maintenance

• Clean with mild, non-abrasive detergent to protect the graduation line.

• Rinse with distilled or deionized water before high-accuracy measurements.

• Dry the flask’s exterior to ensure a correct meniscus reading.

• Avoid rapid temperature changes to protect the glass.

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