N 1524 (OTTO) Nickel oxide, 325 mesh, 99% Cas 1313-99-1 - used in nickel-iron battery (Edison Battery) and fuel cells. N 1524 (OTTO) Nickel oxide, 325 mesh, 99% Cas 1313-99-1 - used in the preparation of nickel alloys including nickel steel alloys, manufacture of glass and porcelain paints.