Content%≥92.0 Water Content% 7~15 Oxide %≤0.01 Calcium Oxide(CaO)%≤0.01 Molybdenum(Mo) %≤0.015 Sulfur(S)%≤0.02 Chloride left%≤0.10 Arsenic(As)%≤0.02 Phosphorous(P)%≤0.01