Analisa Sifat Magnetik Dan Ukuran Partikel Pasir Alam Sungai Rokan Disintesis…

ABSTRACT The research has been done concerning on particle size transformation and magnetic properties of the natural sand Rokan River, Riau Province. The natural samples of Rokan River were separated among magnetic and non-magnetic particles using Iron Sand Separator, the result of separation was called ISS product. ISS product was being done ball milling by 1,5 cm sized iron ball with t…