Browsing by Author "Ersita, Ribka"

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    Analisis Kandungan Mineral Magnetik Pasir Pantai Padang Sumatera Barat Disintesis Dengan Metode Ball Milling Dua Tahap Menggunakan XRF dan SEM
    (2020-08) Ersita, Ribka; Erwin, Erwin
    Synthesis and analysis of magnetic particles content of Padang beach sand West Sumatra Province has been carried out using two step ball milling method. The purpose of this research is to obtain the percentage and size of particle in the synthesized samples. The instruments used were XRF and SEM. The results of this study showed that the Fe content of the synthesized magnetic particles for first step ball milling is 31.6%. The magnetic particles size for the second step ball milling increases to 70.6%. The shape and size of the particles obtained are irregular and the resulting particle sizes range of 2-12 μm.