Universal (pH) indicator solution-250ml

A universal indicator is a pH indicator made of a solution of several compounds that exhibits several smooth colour changes over a wide range pH values to indicate the acidity or alkalinity of solutions. … Colour matching charts are supplied with the specific test strip.
.This mixture is important because each component loses or gains protons depending upon the acidity or alkalinity of the solution being tested. It is beneficial to use this type of universal indicator in a colourless solution. This will increase the accuracy level of indication. pH test paper can also be made with this solution.