ANALISA KOMPOSISI DAN UKURAN PARTIKEL OKSIDA BESI DI PREPARASI BALL MILLING DUA TAHAP
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Date
2023-05
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Elfitra
Abstract
The value of magnetic susceptibility and variation of composition and size of iron
oxide particles from natural sand collected from Rokan River Riau Province have
been investigated by ball milling.The results show that the value of magnetic
susceptibility increase with increasing ball milling rotation time, namely from
11349.9 in BM 1, to 12385.6 in BM 2A, 13369.5 in BM 2B; and 14526,2 on BM 2C
respectively. Likewise with the test results using X-Ray Fluorescence which showed
that the magnetic element, namely Fe, experienced an increase in the proportion from
48.141% for BM 1 to 50.358% for BM 2A, 51.586% for BM 2B and 52.239% for BM
2C respectively. The test results using a Scanning Electron Microscope show that the
average sample particle size decrease from 120,14 nm to 113,66 nm; 105,02 nm; and
95,68 nm as the milling time increases
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Keywords
sand, ball milling, magnetic susceptibility
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