Normax Volumetric Flask Amber Glass with Plastic Stopper 31 886 15 (25 mL)
The Normax Volumetric Flask 31 886 15 (25 mL) offers Class A volumetric accuracy with full protection for light-sensitive solutions. Made from amber borosilicate glass, the flask shields reagents from UV and visible light, helping maintain chemical stability during preparation and storage. The plastic stopper provides a lightweight and secure seal, while the white graduation mark delivers strong contrast for precise meniscus alignment. Produced in accordance with ISO 1042, each flask includes a Certificate of Performance, ensuring verified and traceable calibration for regulated laboratory environments.
Key Features
Class A Precision: Meets ISO 1042 standards for highly accurate volumetric measurements.
Amber Borosilicate Glass: Protects light-sensitive reagents from UV and visible light degradation.
Plastic Stopper: Ensures a tight, contamination-free, and lightweight seal.
White Graduation Line: Provides excellent visibility for clear and consistent readings.
25 mL Capacity: Suitable for small-volume standard solutions, analytical dilutions, and calibration reagents.
Certificate of Performance: Confirms validated, traceable calibration for SOP/GMP workflows.
Strong Durability: Excellent resistance to thermal stress and chemical exposure.
Specifications
| Parameter | Description |
|---|---|
| Brand | Normax |
| Model | 31 886 15 |
| Capacity | 25 mL |
| Accuracy Class | Class A |
| Material | Amber Borosilicate Glass |
| Stopper Type | Plastic |
| Graduation | White |
| Standard | ISO 1042 |
| Certificate | Included |
| Light Protection | Yes (Amber Glass) |
| Autoclavable | Flask yes; stopper depends on plastic type |
| Chemical Resistance | Excellent |
Applications
Light-sensitive reagents: Suitable for iodine, silver nitrate, ferric solutions, phenolic compounds, and other photoreactive chemicals.
Analytical chemistry: Ideal for preparing standard solutions and precise small-volume dilutions.
Pharmaceutical & QC labs: Used for validated analytical workflows requiring certified Class A accuracy.
Environmental laboratories: Suitable for trace-level calibration standards.
Academic & research institutions: Supports hands-on training in precision volumetric analysis.
Handling & Maintenance
Clean with mild, non-abrasive detergent to protect the white graduation mark.
Rinse with distilled or deionized water before accurate measurement.
Dry the flask exterior to ensure proper meniscus alignment.
Avoid rapid temperature changes to maintain integrity of both the glass and amber coating.
Store upright with the stopper removed to prevent moisture accumulation.
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