title: pH effect on electron microscopical contrast with iron salts solutions.
mesh_terms: D000818:Animals; D006863:Hydrogen-Ion Concentration; D007501:Iron; D007668:Kidney / Q000166:cytology; D008722:Methods; D008854:Microscopy, Electron; D051381:Rats; D012492:Salts; D012996:Solutions; D013194:Staining and Labeling
chemical_list: D012492:Salts; D012996:Solutions; D007501:Iron