Acid-base titration is a common analytical technique used to determine the concentration of an acid or a base in a solution. The technique involves adding a solution of known concentration (the titrant) to the solution of unknown concentration (the analyte) until the reaction between the two is complete, and the endpoint is reached. The endpoint is the point at which the reaction is complete, and there is no further change in the solution's properties.
The acid-base titration process involves several steps:
Preparation of the solutions: The analyte solution is usually prepared by diluting the solution of the acid or base to be analyzed. The titrant solution is prepared by dissolving a standard base or acid in water.
Choice of indicator: An indicator is a substance that changes color when the endpoint of the titration is reached. The choice of indicator depends on the pH range of the titration and the nature of the acid or base being analyzed.
Titration: The titrant solution is added slowly to the analyte solution until the endpoint is reached. The endpoint is determined by observing the color change of the indicator. The volume of the titrant added is recorded.
Calculation of results: The concentration of the analyte can be calculated using the volume of the titrant added, the concentration of the titrant, and the stoichiometry of the reaction between the acid and the base.
Acid-base titration is widely used in various fields, including chemistry, biology, and environmental science. It is used to determine the concentration of acids and bases in various samples, such as water, soil, and biological fluids. The accuracy of the results depends on the choice of indicator, the quality of the solutions, and the precision of the measurements.
Check out our all-in-1 potentiometric titrator, fully controlled with a computer here
Contact us at firstname.lastname@example.org or call us +91 – 88840 82005 for further enquires.