Normax Volumetric Flask Amber Glass with Plastic Stopper 31 886 18 (50 mL)
The Normax Volumetric Flask 31 886 18 (50 mL) offers Class A volumetric accuracy and strong protection for light-sensitive reagents. Made from amber borosilicate glass, this flask blocks UV and visible light to preserve the stability of photoreactive chemicals. The plastic stopper provides a lightweight and secure seal, while the white graduation mark gives a high-contrast visual reference for accurate meniscus alignment. Manufactured in compliance with ISO 1042, each flask arrives with a Certificate of Performance, ensuring verified and traceable calibration.
Key Features
Class A Accuracy: Meets ISO 1042 standards for reliable and precise volumetric measurements.
Amber Borosilicate Glass: Protects photosensitive solutions from degradation caused by UV and visible light.
Plastic Stopper: Ensures a secure, contamination-free, and lightweight seal.
White Graduation Mark: Provides excellent contrast for clear, consistent, and accurate readings.
50 mL Capacity: Suitable for calibration reagents, standard solutions, and controlled analytical dilutions.
Certificate of Performance: Guarantees validated, traceable calibration for GMP/SOP laboratory workflows.
Durable Build: Excellent resistance to chemicals and thermal variation for everyday lab use.
Specifications
| Parameter | Description |
|---|---|
| Brand | Normax |
| Model | 31 886 18 |
| Capacity | 50 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 material |
| Chemical Resistance | Excellent |
Applications
Light-sensitive reagents: Iodine, silver nitrate, ferric chloride, phenolic reagents, and other photoreactive chemicals.
Analytical chemistry: Preparation of high-accuracy standard solutions and precise dilution series.
Pharmaceutical & QC labs: Suitable for validated workflows requiring certified Class A precision.
Environmental laboratories: Ideal for preparing calibration standards and trace-level reagents.
Academic & research institutions: Supports training in precise volumetric analysis.
Handling & Maintenance
Clean with mild, non-abrasive detergent to protect the white graduation.
Rinse with distilled or deionized water before critical measurements.
Dry the exterior surface to ensure accurate meniscus reading.
Avoid sudden temperature shocks to preserve the amber coating and glass integrity.
Store upright with the stopper removed to prevent internal moisture buildup.
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