Pengaruh Variasi Putaran Tabung Ball Milling Menggunakan Bola Keramik Terhada…

Ujungbatu City, Riau Province has been carried out using Pasco Magnetic Probe PS-2162 and Ball Milling method. Samples were prepared using Ball Milling for 10 hours as a function of vial rotation of 100 rpm, 150 rpm and 200 rpm. The results showed that the average value of the magnetic susceptibility of Rokan River natural sand before and after being separated using an Iron Sand Separator …