title: An azomethine-hypophosphorous acid addition compound as a new colorimetric reagent for iron.
mesh_terms: D003124:Colorimetry; D007202:Indicators and Reagents; D007501:Iron / Q000032:analysis*; D010636:Phenols; D017976:Phosphorus Acids
chemical_list: D007202:Indicators and Reagents; D010636:Phenols; D017976:Phosphorus Acids; D007501:Iron