Report - Material characterizations and copper, zinc, and lead ......3 11.20% K 2O 1.60% SiO 2 50.30% SO 3 5.25% TiO 2 0.50% MgO 4.90% P 2O 5 0.40% CaO 14.50% Fe 2O 3 8.05% 2.1.2. Physical

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