Ultrafine Isotopes Copper Powder The chemical purity, based on the sum of impurities Mg, Al, Ti, Fe, S, Ni, Zn, Mo, Cd, Sb is; 99.998%. The Isotopes Composition is that of natural copper : 63Cu 69,1% 0.05% und 65Cu 30,9% +0.05%. The material is not radioactive. International Resource Development SA. #ultrafine #copperpowder #IRDSA







