ferrous sulfate

Use:used in feed, preserves, waste water treatmentand water purity, disinfection, rubber, leather,washingpowder, livestock feed, pencils. Shelf Life: one year Storage & handling:Store the product in a cool and dry placeavoid contact sunshine ,water and moistureavoid contact with strong acid,oxidants or poisonous substances. Exposure to moisture will make it oxidzeeasily to sodium sulphate . Not store it for a long time . Product Specification:ITEM FeSO4.H2O FeSO4.7H2O FeSO4 > 91% > 98% IRON > 30% > 19.68% PB < 0.002% < 0.002% AS < 0.0002% < 0.0003%