Description
The Volumetric Flask with Glass Stopper, Class A, is a high-precision laboratory vessel designed for preparing and containing solutions at an exact volume. It is used where accurate dilution, standard solution preparation, and analytical consistency are essential. This flask plays a critical role in quality-controlled laboratory environments that demand maximum accuracy and compliance with international standards.
Key Features
- Class A accuracy for high-precision volumetric work
- Supplied with a well-fitting glass stopper to prevent evaporation and contamination
- Clear, permanent graduation for accurate meniscus reading
- The narrow neck design ensures precise volume setting
- Excellent chemical and thermal resistance
- Suitable for repeated use in demanding laboratory conditions
Material Specifications
- Material Type: High-quality laboratory glass (Borosilicate grade)
- Thermal Properties: High resistance to thermal shock and temperature variations
- Chemical Resistance: Resistant to acids, alkalis, and most laboratory reagents
- Mechanical Properties: Uniform wall thickness for enhanced strength and durability
- Standards Compliance: Manufactured in accordance with ISO and DIN standards (ISO 1042 / DIN equivalents)
Technical Specifications
- Available Capacities: As per the standard size table
- Design: Round-bottom volumetric flask with narrow neck
- Accuracy Class: Class A
- Tolerance: As specified under ISO / DIN Class A standards
- Calibration: Individually calibrated at 20 °C
- Accessories Included: Glass stopper supplied as standard
Handling & Precautions
- Rinse thoroughly before first use to ensure accuracy
- Fill slowly and adjust volume carefully at eye level
- Clean using suitable laboratory detergents and soft brushes
- Autoclavable under standard laboratory conditions
- Avoid sudden temperature changes and mechanical impact
- Store with the stopper removed to prevent sticking
Applications
- Preparation of standard and buffer solutions
- Quantitative analysis and volumetric measurements
- Pharmaceutical quality control and validation laboratories
- Chemical and analytical research facilities
- Academic and teaching laboratories
- QC/QA environments requiring certified volumetric accuracy
