Volumetric

Volumetric analysis is a method of quantitative analysis in chemistry that involves measuring the volume of a solution. It is also known as titration, and it is used to determine the concentration of an identified analyte.

Overview

In volumetric analysis, a solution of known concentration, called the titrant, is used to react with a solution of the analyte. The point at which the reaction is complete is called the equivalence point or end point. The volume of titrant that is required to reach the end point is used to calculate the concentration of the analyte.

Types of Volumetric Analysis

There are several types of volumetric analysis, including:

• Acid-base titration: This is used to determine the concentration of an acid or a base. The titrant is a solution of a strong acid or base of known concentration.

• Redox titration: This is used to determine the concentration of an oxidizing or reducing agent. The titrant is a solution of a strong oxidizing or reducing agent of known concentration.

• Complexometric titration: This is used to determine the concentration of metal ions. The titrant is a solution of a complexing agent of known concentration.

• Precipitation titration: This is used to determine the concentration of ions that form insoluble salts. The titrant is a solution of a reagent that forms an insoluble salt with the analyte.

Applications

Volumetric analysis is widely used in laboratories for the quantitative determination of an analyte in a sample. It is used in various fields such as pharmaceuticals, environmental analysis, and food analysis.

See also

• Gravimetric analysis
• Spectrophotometry
• Chromatography

References

Volumetric Resources
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