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Abstract
Telah dilakukan penelitian tentang penentuan komposisi dan suhu kalsinasi optimum CaO dari batu kapur Kecamatan Banawa. Proses penentuan komposisi dilakukan dengan membuat batuan menjadi ukuran 80 mesh dan dikarakterisasi dengan menggunakan X-Ray Fluorescence (XRF). Dari hasil XRF, batu kapur Banawa termasuk jenis kalsium dengan kemurnian tinggi yang tersusun atas unsur Ca (96,38%), Si (1,47%), Sr (1,44%), Fe (0,595%), Ti (0,060%), Nb (0,0222%), Sn (0,0123%), Sb (0,0123%), dan In (0,0120%). Batu kapur yang telah diketahui komposisinya, dikalsinasi dengan variasi suhu 850°C, 900°C, 950°C dan 1000°C. Selanjutnya dikarakterisasi dengan menggunakan XRF dan XRD. Hasil XRF menujukan suhu kalsinasi optimum CaO dari batu kapur banawa terdapat pada suhu 950°C dengan persentase CaO 96,59%, sementara hasil XRD menunjukan batu kapur Banawa hasil kalsinasi memiliki struktur Kristal. Penelitian ini telah berhasil menentukan komposisi, suhu kalsinasi optimum CaO dan kristalinitas dari batu kapur Banawa
Keywords
batu kapur
kalsinasi
Kalsium Oksida
XRF
XRD
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