title: Trace metal analysis in water by proton-induced x-ray emission analysis of ion-exchange membranes.
mesh_terms: D002852:Chromatography, Ion Exchange; D004735:Energy Transfer; D007475:Ion Exchange Resins; D008567:Membranes, Artificial; D008670:Metals / Q000032:analysis*; D008722:Methods; D011522:Protons; D013057:Spectrum Analysis; D014131:Trace Elements / Q000032:analysis*; D014877:Water Pollution, Chemical / Q000032:analysis*
chemical_list: D007475:Ion Exchange Resins; D008567:Membranes, Artificial; D008670:Metals; D011522:Protons; D014131:Trace Elements