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Analisa Perbandingan Nilai Suseptibilitas Magnetik Air Laut Pantai Barat Dan Pantai Timur Sumatera Bagian Tengah Menggunakan Metode Quincke
A comparative study of magnetic susceptibility of seawater on West and East coast of central Sumatra using the Quincke method has been done. The amount of sea water was collected for 500 ml of location. The number of sample location are 24 points from three West coast locations of Sumatra and one from East coast Sumatera. The method used for sampling is a distance function with a range of 300 m from the coast. Magnetic induction was measured using a magnetic probe sensor pasco PS-2162 with two 3000 loop solenoid. When the electric current increases then, the total magnetic induction value increase. The result showed that the magnetic susceptibility (χ) in west coast varied in the range of -1,04 x 10-5 to -4,53(x 10-5). The sample is a diamagnetic material. The magnetic susceptibility (χ) in east coast is also varied from -0,5 x 10-5 to -1,46(x 10-5). The sample is a diamagnetic material. Salinity and pH cause differences in the magnetic susceptibility of seawater.
Keywords: Sea water, magnetic susceptibility of liquid, magnetic induction, Salinity, Ph
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