Normax Volumetric Flask, Clear Glass, with Glass Stopper 31 686 32V 200 mL
The Normax Volumetric Flask 31 686 32V (200 mL) delivers Class A accuracy for laboratories that prepare precise standard solutions and calibrated dilutions. Its borosilicate glass construction offers excellent thermal stability, chemical resistance, and optical clarity. The ground glass stopper seals the flask securely, while the blue graduation mark provides a clear reference for exact meniscus reading. Normax follows ISO 1042 standards and supplies every flask with a Certificate of Performance, ensuring verified accuracy for analytical and regulated environments.
Key Features
Class A Precision: Meets ISO 1042 requirements and supports accurate volumetric preparation.
Ground Glass Stopper: Creates a tight, reliable seal that prevents contamination and evaporation.
Borosilicate Glass: Resists chemicals, heat, and sudden temperature shifts.
Blue Graduation Mark: Delivers a high-contrast, easy-to-read calibration point.
200 mL Capacity: Suitable for preparing stock solutions, calibration standards, titration reagents, and large-volume dilutions.
Certificate of Performance: Provides traceable calibration for GMP/SOP laboratories.
Clear Glass Body: Offers excellent visibility for solution inspection and purity control.
Specifications
| Parameter | Description |
|---|---|
| Brand | Normax |
| Model | 31 686 32V |
| Capacity | 200 mL |
| Accuracy Class | Class A |
| Material | Borosilicate Glass |
| Stopper Type | Ground Glass |
| Graduation | Blue |
| Standard | ISO 1042 |
| Certificate | Included |
| Autoclavable | Yes |
| Chemical Resistance | Excellent |
Applications
Analytical chemistry: Preparation of accurate standard solutions and dilution series.
Pharmaceutical & QC labs: Ideal for regulated workflows requiring certified precision.
Environmental laboratories: Suitable for preparing buffer solutions, indicators, and calibration reagents.
Industrial labs: Supports formulation, research, and controlled volumetric tasks.
Academic & research institutions: Helps students learn and practice precision volumetric techniques.
Handling & Maintenance
Wash with mild, non-abrasive detergent to protect the graduation line.
Rinse with distilled or deionized water before precise measurements.
Dry the exterior before reading the meniscus.
Avoid rapid temperature changes to protect the glass.
Store upright and keep the stopper separate to prevent internal moisture.
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