chemical formula magnetite ball mill lattice in costarica
Mar 05 2013 · Ni–Zn ferrite powders with chemical formula Ni 064 Zn 036 Fe 2 O 4 were prepared by high energy ball milling NiO ZnO and Fe 2 O 3 powders were used as raw materials Chemical composition and average particle size of the initial powders are listed in Table 1 Stoichiometric amounts of the required powders were mixed thoroughly and then