Ferrous Sulfate Manufacturing Techniques & The
2021-7-15 · By performing the pickling process, which combines hydrochloric acid with steel, which is made from iron, ferrous sulfate is created as a byproduct (see reaction equation from method 1). It is available as a by-product of the manufacture of titanium dioxide, a chemical often used in paint, sunscreen, and food coloring; coincidentally similar uses to ferrous sulfate.
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