title: Electrochemical assay of thiamine, riboflavin, pyridoxine, nicotinamide and ascorbic acid in pharmaceutical preparations.
mesh_terms: D001205:Ascorbic Acid / Q000032:analysis*; D002852:Chromatography, Ion Exchange; D007501:Iron / Q000032:analysis; D009536:Niacinamide / Q000032:analysis*; D011048:Polarography; D011736:Pyridoxine / Q000032:analysis*; D012256:Riboflavin / Q000032:analysis*; D013831:Thiamine / Q000032:analysis*
chemical_list: D009536:Niacinamide; D007501:Iron; D011736:Pyridoxine; D001205:Ascorbic Acid; D012256:Riboflavin; D013831:Thiamine