how to prepare bromophenol blue indicator | how do you make bromophenol blue indicator solution

in this animated video, you will learn how to prepare bromophenol blue indicator solution. Bromophenol Blue is used as an acid-base indicator and a gel electrophoresis color marker. As an acid-base indicator, its useful range lies between pH 3.0 and 4.6. At pH 3.0, it is blue and at pH 4.6, it changes to yellow.