Study Experimental The Effect of CaCO3 and Fe2O3 Mass ...
Iron sand contains Fe3O4 which can be produced Fe2O3 and limestone contains dominant CaCO3. Both of these materials are very abundant in Indonesia. Iron sand is generally used as building construction materials, as well as the use of limestone, there has been no development in the management of the combination of the two materials. Because of the abundance of iron sand and limestone .