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Titration, also known as titrimetry, is a common laboratory method of quantitative chemical analysis that is used to determine the unknown concentration of an identified analyte. Since volume measurements play a key role in titration, it is also known as volumetric analysis. potentiometer or a redox indicator is usually used to determine the endpoint of the titration, as when one of the constituents is the oxidizing agent potassium dichromate. The color change of the solution from orange to green is not definite, therefore an indicator such as sodium diphenylamine is used.
The technique of titration is used to find out accurately how much of a chemical substance is dissolved in a given volume of a solution, that is, the concentration of the solution. The technique uses a set of apparatus with which volumes of solutions can be measured to an accuracy of greater than 0.1 cm 3.he pH curve for the strong acid-weak base titration shows that phenolphthalein is not a suitable indicator but methyl orange is fine. For the titration of weak acid-strong base, phenolphthalein, but not methyl orange, is a suitable indicator.