Pengaruh Variasi Ukuran Bola Milling Terhadap Sifat Magnetik Dan Morfologi Pa…

ABSTRACT The magnetic susceptibility, loop hysteresis and morphology properties of natural sand from the Rokan river, Riau Province have been investigated with variations in milling ball size. Magnetic and non-magnetic particles in natural sand were separated using an Iron Sand Separator prior to the ball milling process with a time of 80 hours using iron balls which were varied, namely 1 cm, …