Analisa Ukuran Dan Komposisi Partikel Pasir Alam Sungai Rokan Provinsi Riau S…

Determination of size and composition variation of natural sand of Rokan river in Riau province have been done. Natural sand samples of Rokan river were collected from 5 points with each point 500 meters apart and a mass of 10 kg per point. Samples were dried under the sun before the separation between magnetic and non-magnetic particles using an Iron Sand Separator. The results of the sep…