Pengaruh Doping Mangan Terhadap Komposisi Dan Sifat Kristalinitas Partikel Ok…

The composition and properties of crystallinity and magnetic susceptibility of iron oxide nanoparticles in natural sand Rokan River, Riau Province have been investigated. Natural sand samples have been processed using an Iron Sand Separator (ISS) then the product was separated between Iron Oxide and other non-ferrous oxides using Neodymium Iron Boron (NdFeB) magnets. The NdFeB product was prepa…