Next, the second stage kicks in, and its five J-2 oxygen/hydrogen engines take the ship another 77 miles in six minutes. Then the third stage engine pushes the craft to the 17,500 mph required to escape Earth's gravitational pull and get into orbit.
Industrially, ferrous sulfate is mainly used as a precursor to other iron compounds. It is a reducing agent, and as such is useful for the reduction of chromate in cement to less toxic Cr(III) compounds. Historically ferrous sulfate was used in the textile industry for centuries as a dye fixative.
If your health care provider has told you to take an iron supplement, here is some information. This may help you make the. best choice. THE TYPE OF PRODUCT TO LOOK FOR IS AFERROUS SULFATE@. Ferrous Sulfate is a form of iron. It is easily used by the body to make red blood cells and build up iron stores.