Description
A volumetric flask is a type of laboratory glassware used for the precise preparation and measurement of a fixed volume of liquid solution. It is made of high-quality borosilicate glass and has a characteristic flat-bottomed bulb shape with a long, narrow neck. A single etched calibration mark on the neck indicates the exact volume it is designed to contain.
The main purpose of a volumetric flask is to prepare standard solutions with high accuracy. A known amount of solute is dissolved in a small amount of solvent, and then more solvent is added carefully until the bottom of the meniscus reaches the calibration mark. This ensures the solution has an exact and known concentration.
Volumetric flasks are widely used in chemical analysis, pharmaceutical preparations, and laboratory experiments where precision is essential. They are available in different capacities such as 10 mL, 50 mL, 100 mL, 250 mL, 500 mL, and 1000 mL.
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