Identifikasi Kandungan Fe Pada Pasir Besi Alam Di Kota Mataram
DOI:
10.29303/jpft.v4i1.571Published:
2018-05-28Issue:
Vol. 4 No. 1 (2018): Januari - Juni 2018Keywords:
natural iron sand, magnetite, hematite, City of MataramArticles
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Abstract
The research on coastal sand in Mataram-Lombok city, located at several beaches, namely, Gading, Loang Baloq, Penghulu Agung, and Ampenan, is to determine the percentage of magnetic mineral content, metal content, and oxide mineral composition contained on those sand. Iron is a sediment containing magnetite (Fe3O4), maghemit (ó-Fe2O3) and hematite (ñ-Fe2O3) as the main mineral and several other minerals as a supporting mineral. Magnetic separation of natural sand by using a permanent magnet successfully separates the magnetic parts (iron sand) and non-magnetic. The separation results were then analyzed for Fe metal content, the quantity of metal content, and the quantity of oxide minerals using AAS, XRD, and XRF. The result of AAS analysis showed that Fe content in natural sand in Gading , Loang Baloq , Penghulu Agungàand Ampenan Beach were 10,573 mg / gr, 12,816 mg / gr, 15,019 mg / gr, and 16,277 mg / gr, respectively. XRF analysis results in four locations have iron content respectively of 73.4%, 62.1%, 76.8%, and 69.8% in Hematite compound phase. As for the results of XRD analysis at these four locations the phases are magnetite and hematite phases.References
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Author Biographies
Susilawati Susilawati, Program Magister Pendidikan IPA Universitas Mataram
Aris Doyan, Program Magister Pendidikan IPA Universitas Mataram
Muhammad Taufik, Program Pendidikan Fisika Universitas Mataram
Wahyudi Wahyudi, Program Pendidikan Fisika Universitas Mataram
Erin R Gunawan, Program Magister Pendidikan IPA Universitas Mataram
Kosim Kosim, Program Magister Pendidikan IPA Universitas Mataram
Annisa Fitriani, Program Magister Pendidikan IPA Universitas Mataram
Husniatul Khair, Program Magister Pendidikan IPA Universitas Mataram
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