Description
The Clear Trapezoidal Volumetric Glass Flask from Osmosis Scientific is engineered for high-precision laboratory workflows and quantitative solution preparations. Constructed from premium Boro 3.3 borosilicate glass, this flask offers outstanding chemical inertness and thermal durability — essential for analytical chemistry, research labs, educational facilities, pharmaceutical quality control, and industrial testing.
The trapezoidal base design improves stability on benchtops and minimizes tipping risk during solution preparation and handling, while the clear borosilicate body provides full visual clarity of contents. The flask features a finely etched calibration line calibrated to Class A accuracy, ensuring reliable and traceable volume measurement for standard solutions, titrant preparations, and quantitative analyses.
Designed in accordance with laboratory precision standards, this flask is available in a full range of capacities from 1 ml up to 50 ml, allowing flexibility for micro- to large-volume volumetric tasks. Compatibility with optional stoppers or closures makes it useful for storage and extended processing.
| Capacity (mL) | Joint Size (NS) | No. of Marks | SKU | Enquiry |
|---|---|---|---|---|
| 1 | 7/16 | 2 | CTVF-0001-0716 | Enquire Now |
| 2 | 7/16 | 2 | CTVF-0002-0716 | Enquire Now |
| 5 | 10/19 | 2 | CTVF-0005-1019 | Enquire Now |
| 10 | 10/19 | 2 | CTVF-0010-1019 | Enquire Now |
| 20 | 10/19 | 2 | CTVF-0020-1019 | Enquire Now |
| 25 | 10/19 | 2 | CTVF-0025-1019 | Enquire Now |
| 50 | 12/21 | 2 | CTVF-0050-1221 | Enquire Now |
Frequently Asked Questions (FAQs)
A trapezoidal volumetric flask is used for accurate measurement and preparation of liquid solutions in laboratories. Its design allows precise volume calibration, making it ideal for analytical, research, and educational applications.
This flask is made from high-quality clear laboratory glass, offering excellent chemical resistance, clarity, and durability for routine and advanced laboratory use.
Yes, the clear glass trapezoidal volumetric flask is suitable for most chemical solutions, including acids and bases commonly used in laboratory experiments.
Volumetric flasks are primarily designed for accurate measurement, not direct heating. For heating applications, it is recommended to use beakers or flasks specifically designed for thermal use.




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