USP Monographs: Ferrous Sulfate - uspbpep.com
2014-9-5 · Iron(2+) sulfate (1:1) heptahydrate [7782-63-0]. Anhydrous 151.91 [ 7720-78-7 ]. » Ferrous Sulfate contains an amount of FeSO 4 equivalent to not less than 99.5 percent and not more than 104.5 percent of FeSO 4 ·7H 2 O.
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