title: Spectrophotometric determination of naphazoline and phenotolamine in some pharmaceutical preparations using sodium nitroprusside.
mesh_terms: D003124:Colorimetry / Q000379:methods; D005292:Ferricyanides; D007202:Indicators and Reagents; D009278:Naphazoline / Q000032:analysis*; D014663:Nasal Decongestants / Q000032:analysis*; D009569:Nitric Oxide; D010646:Phentolamine / Q000032:analysis*; D013053:Spectrophotometry / Q000379:methods
chemical_list: D005292:Ferricyanides; D007202:Indicators and Reagents; D014663:Nasal Decongestants; D009569:Nitric Oxide; D009278:Naphazoline; D010646:Phentolamine