Types of titration
There are several types of titration, including:
1. Acid-Base Titration: This is the most common type of titration, where an acid reacts with a base to determine the concentration of either the acid or the base.
2. Redox Titration: In redox titration, the titrant (the solution of known concentration) reacts with the analyte (the solution of unknown concentration) through a redox reaction, which involves the transfer of electrons between the reactants.
3. Precipitation Titration: This type of titration involves the formation of a precipitate when the titrant reacts with the analyte. The formation of the precipitate can be used to determine the concentration of the analyte.
4. Complexometric Titration: Complexometric titration is used to determine the concentration of metal ions by forming complexes with a chelating agent. The chelating agent forms a stable complex with the metal ion, which can be visually detected or measured using different techniques.
5. Non-Aqueous Titration: Non-aqueous titration is carried out in solvents other than water, such as organic solvents. It is useful for the determination of substances that are not soluble or stable in water.
6. Coulometric Titration: In coulometric titration, the reaction between the titrant and analyte is controlled by the passage of a known electric current through the solution. The amount of electricity required to complete the reaction is directly proportional to the amount of analyte present.
7. Back Titration: Back titration involves the reaction of an excess amount of a known solution with the analyte, followed by the titration of the excess titrant with a second solution. This technique is used when the direct titration is not feasible or the reaction is too slow to be measured accurately.
These are some common types of titration, but there are many other specialized titration techniques used for specific applications in various fields of chemistry.