Normax Volumetric Flask Clear Glass with Plastic Stopper 5mL

Normax Volumetric Flask, Clear Glass, with Plastic Stopper 31 686 06 5 mL

The Normax Volumetric Flask 31 686 06 (5 mL) provides Class A accuracy for small-volume standard solution preparation. Its borosilicate glass body offers strong chemical resistance, excellent clarity, and dependable thermal stability. The flask comes with a plastic stopper that seals the contents securely, while the blue graduation mark gives a clear and precise reference for meniscus reading. Normax follows ISO 1042 requirements and includes a Certificate of Performance, giving users confidence in traceable and verified accuracy.

Key Features

• Class A Precision: Meets ISO 1042 standards and supports highly accurate volumetric work.

• Plastic Stopper: Creates a reliable seal and prevents contamination or evaporation.

• Durable Borosilicate Glass: Resists chemicals, heat, and rapid temperature changes.

• Blue Graduation Mark: Offers high visibility for crisp and consistent meniscus alignment.

• 5 mL Capacity: Ideal for micro-volume standard solutions, calibration samples, and analytical dilutions.

• Certificate of Performance: Confirms calibration traceability for SOP/GMP environments.

• Clear Glass Construction: Helps users check solution clarity and purity easily.

Specifications

Applications

• Analytical chemistry: Preparing micro-volume standard solutions and precise dilutions.

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

• Environmental labs: Ideal for indicator solutions, trace-level reagents, and sample preparation.

• Industrial R&D: Useful for micro-formulation and precise experimental work.

• Academic & research facilities: Helps students practice high-precision volumetric techniques.

Handling & Maintenance

• Wash with mild, non-abrasive detergent to protect the graduation mark.

• Rinse with distilled or deionized water before accurate measurements.

• Dry the outer surface to ensure correct meniscus reading.

• Avoid sudden temperature changes to protect the borosilicate glass.

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