The value of magnetic susceptibility and variation of composition and size of iron oxide particles from natural sand collected from Rokan River Riau Province have been investigated by ball milling.The results show that ...

The ball milling time affects the magnetic properties its product. Research on the magnetic properties and the product composition of natural sand of the Rokan River as a function of optimum time in ball milling has been ...

Analysis of the magnetic susceptibility of the composition and particle size of the natural sand of the Rokan River has been carried out using two-stage ball millng method.This study aims to determine the value of magnetic ...

The mapping of magnetic suseptibility values of soil around Riau University has been done. The amount of soil taken from area around the University about 250 mg for each location. The number of sample locations are 37 ...

Water is a very important substance for human life therefore, more water is needed. Peat water is surface water resulting from the accumulation of plant material residues in a large volume with a pH ranging from 3-5. In ...

The speed of ball milling vial affects the magnetic properties of its product. Research on the composition, morphology and magnetic properties of natural sand particles from Rokan River as a function of the vial speed . ...