Barium sulfate (BaSO4) Barium sulfate A dense, white, water‑insoluble inorganic compound (BaSO4) used as a radiopaque contrast agent in medicine and as an inert filler in paints, plastics and industrial products.
Iron(II) sulfate (ferrous sulfate) Iron(II) sulfate Overview of iron(II) sulfate (FeSO4), its forms and properties, historical uses, modern applications in medicine and industry, and safety and environmental considerations.