Colorimetric determination of m -aminophenol

Summary Potassium iodate reacts withm-aminophenol in presence of sulfuric acid to give pink violet color having 5µg as visual limit of identification. The color reaction is specific form-aminophenol;o-, andp-aminophenol do not interfere if their amount does not exceed 10 and 70% respectively. This provides a new colorimetric method for the determination ofm-aminophenol in small quantities.