Modifikasi Sifat Magnetik Dan Morfologi Partikel Oksida Besi Pasir Alam Sunga…

ABSTRACT The magnetic susceptibility, as well as magnetic properties and morphological properties of the natural sand iron oxide nanoparticles have been investigated. The sample were collected from Rokan River, Ujung Batu District, Rokan Hulu Regency, Riau Province. The sample was prepared by ball milling method. Iron Sand Separator and Neodymium Iron Boron (NdFeB) magnet to separate, between …