pH Indicator Solution From Loba Chemie A pH indicator is a halochromic chemical compound that is added in small amounts to a solution so that pH (acidity or basicity) of the solution can be determined visually. pH indicators detect the presence of H+ and OH-.
A pH indicator is a halochromic chemical compound that is added in small amounts to a solution so that pH (acidity or basicity) of the solution can be determined visually. pH indicators detect the presence of H+ and OH-.