title: Determination of traces of arsenic by coprecipitation and x-ray fluorescence.
mesh_terms: D001151:Arsenic / Q000032:analysis*; D011232:Chemical Precipitation; D005453:Fluorescence; D007854:Lead / Q000032:analysis; D008722:Methods; D014116:Toxicology; D014131:Trace Elements / Q000032:analysis*
chemical_list: D014131:Trace Elements; D007854:Lead; D001151:Arsenic