acid-base indicator


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acid-base indicator

n.
A substance that indicates the degree of acidity or basicity of a solution through characteristic color changes.
References in periodicals archive ?
DCPIP acts not only as an oxidant but also functions as a visual acid-base indicator for the detection of the end point of titration, where the pink color is observed in the solution, which is generated by the excess of DCPIP reagent (equation-2).
Another kind of water solution is indicator solution, also known as acid-base indicators.
It is known that acid-base indicators exist in equilibrium between two tautomeric forms and the ratio of the two forms depend on the concentration of hydrogen ions in the medium.

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