Vee Gee Scientific 2307A-10 Volumetric Flask Amber Class A Glass Stopper 10 mL

These volumetric flasks are constructed of low-actinic amber glass, providing protection for materials that are sensitive to light. Each flask features machine-blown bodies and heavy-beaded, heavy-tubing necks that are tooled for standard taper glass stoppers. Each volumetric flask is supplied with a standard taper glass stopper which provides a leakproof seal. This airtight seal not only preserves the integrity of your samples but also enhances the reliability of your volumetric measurements.

Features:

• Low-actinic amber for light sensitive materials
• Made of premium borosilicate glass with a low coefficient of expansion
• Designed "to contain" with a temperature of calibration at 68°F (20°C)
• The graduation line is sharply defined and of uniform width
• Each flask has a large marking square and includes a glass stopper
• Meets ASTM E-288 Class A specifications & USP standards for glassware