Analisa Pengaruh Doping Mangan Terhadap Suseptibilitas Magnetik dan Sifat Kristalinitas Pasir Alam Sungai Rokan Sebagai Fungsi Kecepatan Putaran Tabung

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Date

2022-07

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Elfitra

Abstract

The rotation speed of the tube in the ball milling method affects the crystalline size and magnetic properties of the natural sand sample used. Identification of elemental content in natural sand was carried out using X-Ray Fluorescence (XRF) for ball milling product with tube rotational speed functions of 100 rpm, 150 rpm and 200 rpm.The ball milling product is then separated using Neodymium Iron Boron (NdFeB).The result of this study XRF identification results showed that the Fe composition increased from 16,007% to 16,439%. while the composition of K, Ti, V, Cr, Mn, Fe, and Ni increased,the composition of Si, Al, P and Cu decreased. The results of XRD identification produced hematite (Fe2o3) phase magnetic nanoparticles with a rhombohedral crystal system. The average size of the crystals increased at a speed of 150 rpm was 28,8292 nm.

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Keywords

Natural Sand, Iron Sand Separator, Ball Milling, X-Ray Fluorescence (XRF), X-Ray Diffraction (XRD), Doping and Manganese

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