Ph Indicator Paper manufacturer and supplier. Litmus and pH paper have colour indicator to change the color with an acid or base. The paper will turn dark red to light pink to yellow in acids as per there strength level while light green to blue in bases as per there alkaline strength. Usually a color chart is provided with the pH paper in order for the user to determine the pH range of the indicator.
We are providing color chart with each pH paper kit.
A pH indicator helps to determine the pH of the solution of many mixture including methyl orange or crystal violet etc..