title: [Single-stage determination in the water of small concentrations of copper, lead and zinc].
mesh_terms: D003300:Copper / Q000737:chemistry*; D014867:Water; D014876:Water Pollution; D015032:Zinc / Q000737:chemistry*
chemical_list: D014867:Water; D003300:Copper; D015032:Zinc
keywords: COPPER/chemistry; WATER POLLUTION; ZINC/chemistry