PROCEDURE FOR THE PRODUCTION OF FINE POWDER FROM METALLIC NICKEL WITH PURIFYING SPHERI PARTICLES

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A process for the production of fine powder of metallic nickel comprised of fine spherical particles having an average particle size of 0.05 mu m to 10 mu m, which comprises : a first step of dissolving nickel carbonate and/or nickel hydroxide represented by the general formula (I) Ni (CO3)x.(OH) y wherein x and y are numerals which satisfy the conditions : 0