Browsing by Author "Hariani, Innike Shintia"

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    Penentuan Nilai Suseptibiltas dan Uji Komposisi Pasir Pantai Padang Sumatera Barat Disintesis Menggunakan Metode Ball Milling 2 tahap
    (2020-09) Hariani, Innike Shintia; Amiruddin, Erwin
    Magnetic properties and compositional identification of Padang beach sand of West Sumatra has been conducted. The sample was milled using a 2-stage ball milling method. In stage 1, the sample was milled for 60 hours with a milling ball size of 1.5 cm. then, for stage 2 the product of stage 1 was milled again for 30 hours with 2 variation of milling balls diameter namely 0,7 cm and 1,5 cm. The separation of magnetic and non-magnetic particles of ball milling was product done using NdeFB magnets. Magnetic susceptibility and mass susceptibility were determined based on the solenoid magnetic induction value measured using the Pasco Pasco PS-2162 sensor. Meanwhile, the composition of the samples used was measured using X-Ray Fluorescence Spectroscopy (XRF). From this study, it was found that the Fe content of the sample milled with ball size of 1.5 cm was higher than that for 0.7 cm. The susceptibility magnetic and mass susceptibility value increased with increasing milling time and milling ball size.