USP Monographs: Ferrous Sulfate - uspbpep.com
2014-9-5 · Assay— Dissolve about 1 g of Ferrous Sulfate, accurately weighed, in a mixture of 25 mL of 2 N sulfuric acid and 25 mL of freshly boiled and cooled water. Add orthophenanthroline TS, and immediately titrate with 0.1 N ceric sulfate VS.Perform a blank determination, and make any necessary correction. Each mL of 0.1 N ceric sulfate is equivalent to 15.19 mg of FeSO 4 or to 27.80 mg of FeSO …
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