Normax Volumetric Flask Amber Glass with Glass Stopper 31 886 14V (25 mL)
The Normax Volumetric Flask 31 886 14V (25 mL) provides Class A accuracy while giving full protection for light-sensitive reagents. Its amber borosilicate glass shields solutions from UV and visible light, helping maintain chemical stability during preparation and storage. The ground glass stopper ensures a secure seal, while the white graduation mark offers clear visibility for precise meniscus reading. Manufactured according to ISO 1042, the flask includes a Certificate of Performance, guaranteeing verified and traceable calibration.
Key Features
Class A Precision: Fully compliant with ISO 1042 specifications for accurate volumetric measurements.
Amber Borosilicate Glass: Protects photoreactive chemicals from light-induced degradation.
Ground Glass Stopper: Creates a tight, leak-free seal that maintains sample purity.
White Graduation Line: High-contrast marking ensures reliable and consistent meniscus alignment.
25 mL Capacity: Suitable for small-volume standard solutions, calibration reagents, and controlled dilutions.
Certificate of Performance: Provides traceable and validated calibration for regulated laboratory environments.
Durable Construction: Strong resistance to chemicals and temperature changes.
Specifications
| Parameter | Description |
|---|---|
| Brand | Normax |
| Model | 31 886 14V |
| Capacity | 25 mL |
| Accuracy Class | Class A |
| Material | Amber Borosilicate Glass |
| Stopper Type | Ground Glass Stopper |
| Graduation | White |
| Standard | ISO 1042 |
| Certificate | Included |
| Light Protection | Yes (Amber Glass) |
| Autoclavable | Yes |
| Chemical Resistance | Excellent |
Applications
Light-sensitive reagents: Iodine, silver nitrate, ferric chloride, and other photoreactive chemicals.
Analytical chemistry: Preparation of small-volume standard solutions and dilution series.
Pharmaceutical & QC labs: Ideal for validated workflows requiring certified Class A accuracy.
Environmental laboratories: Preparation of trace-level calibration standards.
Research & academic use: Supports precise volumetric training in advanced laboratory courses.
Handling & Maintenance
Clean with mild, non-abrasive detergent to preserve the white graduation marking.
Rinse with distilled or deionized water before use.
Dry the exterior surface to ensure accurate meniscus reading.
Avoid sudden temperature changes to protect the amber coating and glass body.
Store with the stopper removed to prevent moisture buildup.
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