title: Determination of sulphite and hydrogen peroxide in pharmaceutical matrices via classical spectrophotometry and flow injection.
mesh_terms: D006861:Hydrogen Peroxide / Q000032:analysis*; D007202:Indicators and Reagents; D013056:Spectrophotometry, Ultraviolet; D013447:Sulfites / Q000032:analysis*
chemical_list: D007202:Indicators and Reagents; D013447:Sulfites; D006861:Hydrogen Peroxide