Sintesis dan Karakterisasi Kalsium Ferit Menggunakan Pasir Besi dan Batu Kapur

Mastuki Mastuki, Malik Anjelh Baqiya, Darminto Darminto
Submission Date: 2012-07-27 11:58:06
Accepted Date: 2013-01-17 08:28:26

Abstract


Sintesis Kalsium Ferit telah dilakukan dengan metode  pencampuran basah menggunakan Fe2O3 hasil sintesis dari pasir besi dan CaCO3 dari batu kapur alam. Dalam penelitian ini digunakan variasi suhu sinter, variasi waktu sinter dan variasi perbandingan mol Fe3+/Ca2+. Hasil sintesis dikarakterisasi dengan DTA/GTA, XRD  dan SEM-EDX. Sampel dengan perbandingan mol Fe3+/Ca2+ 6 pada pemansan 8000C selama 3 jam menghasilkan 100% Ca-Fe-O dengan 28,81% CaFe4O7, 24,57% Ca2Fe9O13, dan 46,62% Ca4Fe14O25. Pada sampel variasi suhu sinter dan variasi waktu sinter sampel dengan perbandingan mol Fe3+/Ca2+ 12 tidak mengalami perubahan yang signifikan. Namun, hasil perbandingan dari ketiga variasi menunjukkan terbentuknya Fe2O3 tertinggi pada suhu sinter 9000C.


Keywords


Kalsium ferit; pasir besi; kapur alam; metode pencampuran basah

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