Normax Volumetric Flask Clear Glass with Plastic Stopper 25mL

Normax Volumetric Flask, Clear Glass, with Plastic Stopper 31 686 15 (25 mL)

The Normax Volumetric Flask 31 686 15 (25 mL) provides Class A precision for accurate preparation of small-volume standard solutions. Its borosilicate glass body offers excellent chemical resistance, dependable thermal stability, and clear visibility. The plastic stopper closes the flask securely, while the blue graduation mark gives a sharp visual reference for precise meniscus alignment. Normax builds this flask according to ISO 1042 and includes a Certificate of Performance, ensuring traceable calibration for analytical and regulated laboratory work.

Key Features

• Class A Accuracy: Meets ISO 1042 standards and supports reliable volumetric preparation.

• Plastic Stopper: Creates a secure, lightweight seal that protects solutions from contamination and evaporation.

• Borosilicate Glass: Resists thermal shock, chemical exposure, and routine laboratory use.

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

• 25 mL Capacity: Suitable for preparing standard solutions, calibration reagents, titration standards, and precise small-volume dilutions.

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

• Clear Glass Construction: Lets users easily check solution clarity and overall quality.

Specifications

Applications

• Analytical chemistry: Preparation of small-volume standard solutions and precise dilutions.

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

• Environmental laboratories: Ideal for indicator preparation and trace-level reagent work.

• Industrial R&D: Suitable for micro-formulation and controlled volumetric tasks.

• Academic & research settings: Helps students practice accurate and repeatable volumetric techniques.

Handling & Maintenance

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

• Rinse with distilled or deionized water before precise measurements.

• Dry the outer surface to read the meniscus accurately.

• Avoid sudden temperature changes to maintain glass integrity.

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