[Determination of ascorbic acid in medicine by sulfosalicylic acid spectrophotometry].
Ascorbic acid in medicine was determined by fading spectrophotometric method, based on Fe3+ reduced into Fe2+ by ascorbic acid and reacting on sulfosalicylic acid. The results obtained were in agreement with those of Chinese pharmacopoeia's method and background correction method.
Ma
W
W
Department of Chemical Engineering, Huaihai Institute of Technology, 222005, Lianyungang.
D001205:Ascorbic Acid / Q000032:analysis*; D001557:Benzenesulfonates; D004364:Pharmaceutical Preparations / Q000032:analysis*; D012459:Salicylates / Q000737:chemistry; D013056:Spectrophotometry, Ultraviolet / Q000295:instrumentation / Q000379:methods*
D001557:Benzenesulfonates; D004364:Pharmaceutical Preparations; D012459:Salicylates; C003366:sulfosalicylic acid; D001205:Ascorbic Acid