METHOD FOR TITRATION DETERMINATION OF CONCENTRATION OF PAPAVERINE HYDROCHLORIDE IN MEDICINAL FORMS OF PHARMACEUTICAL PREPARATION

摘要

Method for titration determination of concentration of papaverine hydrochloride in medicinal forms of pharmaceutical preparation includes use of optimal aliquot of medicinal form of papaverine hydrochloride with following addition of ethyl alcohol and phenolphateleine and titration with solution of sodium hydroxide. To 2 ml of solution of papaverine hydrochloride one adds 5 ml of ethyl alcohol, titration is carried out with 0.02 M solution of sodium hydroxide.