Normax Volumetric Flask Amber Glass with Plastic Stopper 31 886 36 (250 mL)
The Normax Volumetric Flask 31 886 36 (250 mL) provides Class A volumetric precision and excellent protection for light-sensitive solutions. Made from amber borosilicate glass, it reduces exposure to UV and visible light, keeping photoreactive chemicals stable during storage and analytical work. The plastic stopper offers a lightweight, secure seal, while the white graduation mark ensures sharp visibility for accurate meniscus alignment. Produced according to ISO 1042, each flask includes a Certificate of Performance, guaranteeing verified and traceable calibration.
Key Features
Class A Accuracy: Fully compliant with ISO 1042 standards for precise volumetric measurements.
Amber Borosilicate Glass: Protects light-sensitive reagents from UV and visible light degradation.
Plastic Stopper: Provides a secure, contamination-free, and lightweight seal.
White Graduation Line: High-contrast marking ensures consistent and accurate readings.
250 mL Capacity: Suitable for preparing calibration solutions, titration reagents, buffers, and controlled dilutions.
Certificate of Performance: Ensures validated and traceable calibration for regulated laboratory workflows (GMP/SOP/QC).
High Durability: Excellent resistance to chemicals and thermal variation.
Specifications
| Parameter | Description |
|---|---|
| Brand | Normax |
| Model | 31 886 36 |
| Capacity | 250 mL |
| Accuracy Class | Class A |
| Material | Amber Borosilicate Glass |
| Stopper Type | Plastic |
| Graduation | White |
| Standard | ISO 1042 |
| Certificate | Included |
| Light Protection | Yes |
| Autoclavable | Flask yes; stopper type dependent |
| Chemical Resistance | Excellent |
Applications
Light-sensitive reagents: Silver nitrate, iodine, phenolic compounds, ferric salts, and similar photoreactive chemicals.
Analytical chemistry: Standard solutions, volumetric dilutions, and quantitative preparations.
Pharmaceutical & QC laboratories: Suitable for validated procedures requiring certified precision.
Environmental labs: Preparation of calibration standards and trace-level reagents.
Research & academic settings: Ideal for teaching and practicing accurate volumetric analysis.
Handling & Maintenance
Wash using mild, non-abrasive detergent to protect the white graduation line.
Rinse with distilled or deionized water before volumetric use.
Dry the exterior to ensure accurate meniscus reading.
Avoid sudden temperature changes to maintain glass integrity and amber coating quality.
Store upright with the stopper removed to prevent moisture buildup.
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