Hordhac kooban: Ferrous sulfate heptahydrate, oo loo yaqaan alum cagaaran, waa isku-dhismeed aan organic ahayn oo leh caanaha FeSO4 · 7H2O.Inta badan loo isticmaalo soo saarista cusbada birta, khad, oksaydhka birta magnetic, wakiilka biyaha nadiifinta, jeermiska dila, kicinta birta;Waxa loo isticmaalaa sida dheeha dhuxusha, maqaarka maqaarka...
Akhri wax dheeraad ah