title: A note on a micro and a semimicro method for the assay of ephedrine.
mesh_terms: D003124:Colorimetry; D003300:Copper; D004304:Dosage Forms / Q000032:analysis; D004809:Ephedrine / Q000032:analysis*; D006861:Hydrogen Peroxide
chemical_list: D004304:Dosage Forms; D003300:Copper; D006861:Hydrogen Peroxide; D004809:Ephedrine