Report - ISSN web: 2145-8480 DOI: ... · Compound Ni Fe SiO2 MgO Al2O3 CaO Co3O4 Cr2O3 MnO C S SiO2/MgO Coarse 0.99 9.3 48.02 24.86 1.79 0.42 0.03 0.6 0.2 0.2 0.03 1.93 Fine 1.02 9.4 48 24.72

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