A process for producing a ferromagnetic metal powder composed mainly of iron and having an oxidized coating and a superior dispersibility is provided, which process comprises feeding granules of a ferromagnetic metal powder composed mainly of iron and impregnated with an organic solv
A process for producing acicular .alpha.-FeOOH particle powder having a narrow particle size distribution and a rectified shape and being highly dispersed is provided, which process comprises mixing with stirring an aqueous solution of a Fe(II) salt with an aqueous solution of an alkali
