Normax Volumetric Flask Clear Glass with Plastic Stopper 31 686 54 (1000 mL)
The Normax Volumetric Flask 31 686 54 (1000 mL) provides Class A precision for laboratories that prepare large-volume standard solutions and calibration mixtures. Made from borosilicate glass, the flask offers excellent clarity, chemical resistance, and temperature stability. The plastic stopper seals the contents securely, and the blue graduation mark gives a sharp reference point for accurate meniscus reading. Produced according to ISO 1042, the flask includes a Certificate of Performance to ensure verified and traceable calibration for regulated analytical work.
Key Features
Class A Accuracy: Meets ISO 1042 standards and supports high-precision volumetric preparation.
Plastic Stopper: Provides a reliable, lightweight seal that protects solutions from evaporation and contamination.
Borosilicate Glass: Ensures strong chemical resistance, clarity, and thermal stability for routine laboratory use.
Blue Graduation Mark: Offers high contrast for consistent and precise meniscus alignment.
1000 mL Capacity: Ideal for preparing stock solutions, titration reagents, and controlled large-volume dilutions.
Certificate of Performance: Confirms traceable calibration compliant with SOP and GMP workflows.
Clear Glass Body: Allows easy visual inspection of solution clarity and purity.
Specifications
| Parameter | Description |
|---|---|
| Brand | Normax |
| Model | 31 686 54 |
| Capacity | 1000 mL |
| Accuracy Class | Class A |
| Material | Borosilicate Glass |
| Stopper Type | Plastic |
| Graduation | Blue |
| Standard | ISO 1042 |
| Certificate | Included |
| Autoclavable | Flask yes; stopper depends on plastic type |
| Chemical Resistance | Excellent |
Applications
Analytical chemistry: Preparation of large-volume standards and precise dilution series.
Pharmaceutical & QC laboratories: Supports validated and regulated procedures requiring certified volumetric accuracy.
Environmental labs: Suitable for buffer solutions, calibration reagents, and indicator preparation.
Industrial R&D: Works well for formulation tasks, process development, and controlled volumetric preparation.
Academic and research institutions: Helps students practice accurate volumetric techniques using reliable Class A glassware.
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 obtain accurate meniscus readings.
Avoid rapid temperature changes to maintain glass integrity.
Store upright and keep the stopper separate to prevent internal moisture buildup.
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