... phosphorus, heavy metallic ions and COD, BOD removing; Used as pigment, medicine, catalyst and mordant agent.Product Characteristics: ... 2000Uses:Feed grade Ferrous sulfate monohydrate can be used as iron extender in feed. As the key ingredient ... in alcohol, corrosion , air slaking and efflorescence.MAIN APPLICATIONS: Used for agricultural pesticide, fertilizer, feed, pigment , catalyst, decontaminant ...