Normax Volumetric Flask Clear Glass with Plastic Stopper 31 686 63 (2000 mL)
The Normax Volumetric Flask 31 686 63 (2000 mL) provides Class A accuracy for laboratories that prepare large-volume standard solutions, calibration reagents, and precise dilutions. Made from high-quality borosilicate glass, this flask offers excellent clarity, strong chemical resistance, and stable thermal performance. Its plastic stopper ensures a secure seal, while the blue graduation line gives a sharp visual reference for accurate meniscus alignment. Produced according to ISO 1042, the flask includes a Certificate of Performance, ensuring verified and traceable calibration for regulated environments.
Key Features
Class A Precision: Complies with ISO 1042 accuracy requirements for critical volumetric tasks.
Plastic Stopper: Creates a tight, lightweight seal that protects solutions from contamination.
Borosilicate Glass: Provides excellent chemical resistance, clarity, and thermal stability.
Blue Graduation Mark: Offers high contrast for consistent and accurate readings.
2000 mL Capacity: Ideal for large-batch stock solutions, calibration standards, and titration reagents.
Certificate of Performance: Ensures traceable and validated calibration for GMP/SOP workflows.
Clear Glass Body: Allows users to inspect solution quality and transparency with ease.
Specifications
| Parameter | Description |
|---|---|
| Brand | Normax |
| Model | 31 686 63 |
| Capacity | 2000 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 standard solutions and dilution series.
Pharmaceutical & QC labs: Suitable for validated, regulated procedures requiring certified Class A accuracy.
Environmental laboratories: Ideal for calibration mixtures, buffer solutions, and indicator preparation.
Industrial R&D: Supports formulation, process development, and large-scale solution preparation.
Academic & research institutions: Teaches accurate volumetric techniques using dependable glassware.
Handling & Maintenance
Clean using non-abrasive, mild detergent to maintain the graduation line.
Rinse with distilled or deionized water before precise measurements.
Dry the exterior for an accurate meniscus reading.
Avoid sudden temperature changes to protect the borosilicate glass.
Store upright and keep the stopper separate to prevent internal moisture buildup.
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