ANALISIS KADAR KALSIUM OKSIDA (CaO) PADA BATU KARANG DI DAERAH PESISIR BAYANG DAMPELAS DONGGALA
DOI:
https://doi.org/10.22487/me.v16i1.734Keywords:
Coral, calcination, calcium oxide, xrf (x-ray fluorescence)Abstract
Coral reefs are classified as coral or coral limestone. These corals contain of a high level of calcium purity with more than 90%. These clacium are in the from calcite (CaCO3). Calcite can be used in the industrial sector wich can be processed into a catalyst and use as a mixture 0f portland cement.its economic value increases by converting CaCO3 to CaO trough the calcination process at high temperatures. The coral sampels were taken from the coastal area of Bayang, Dampelas Donggala wich consisted of 2 samples. i.e coastal and montain coral reefs. The CaO levevls contained in coral reefs wer determined by qualitative and quantitative analysis method using XRF (X-Ray Fluorescence). XRF result showed that were CaO compounds in each coral reef sample. The CaO level in the coastal reef was 92,08% before calcination and 92,11% after calcination. Whereas the CaO level in te mountain coastal reef was 94,51% before calcination and 96,77% after calcination.
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