Abstract:
Magnetically soil contamination can be caused by motor vehicle emussions of exhaust, where friction between the tire and the road surface cause magnetic particles. This study was aimed to characterize of the magnetic properties of the soil along the main roads of the University of Riau campus which are suspected to have been contaminated with magnetic particles. Magnetic properties measured, are magnetic induction, magnetic susceptibility and mass susceptibility. The method used in this research is an experimental method. Sampling was performed at 10 different points with mass ranging from (1-5.5) kg. The separation of magnetic particles from the samples was performed by using an Iron Sand Separator. The result show that most samples containing magnetic particles come from Point 2 (Jln. Muchtar Lutfi) with magnetism rate of 0.536%, While the least samples containing magnetic particles are from Point 10 (Jln. Binawidya UNRI) with magnetism 0.019%. Determination of magnetic susceptibility was done after knowing magnetic induction as a function of current of (2, 4, 6, 8 and 10) A and distance function of (1, 2, 3, 4 and 5) mm from each sample which were measured using Probe Magnetic Pasco PS-2162. The highest sample magnetic susceptibility value was obtained from Point 1 (Jln. Muchtar Lutfi), ie 2467.5×10−5, where as the highest sample mass susceptibility value was resulted from Point 4 (FAPERTA), ie 2456.2×10−8 𝑚3𝑘𝑔. These magnetic and mass susceptibility value obtained are at the Ilmenite mineral interval, where at this interval the samples contain magnetic particles of FeTiO3.
