... Ferrous sulphate monohydrate Properties Product name: Ferrous sulfate monohydrateOther name: Iron ii sulfate mono, copperas, green vitriolAppearance: grey powderPurity: ... , rainOrigin: Shandong, China Function and use1. Ferrous sulfate monohydrate is a kind of feed grade mineral feed additive ... of feed. 2. Can also use the ferrous sulfate monohydrate to manufacture iron oxide red pigment etc. Brief ...