Isolation and Identification Nanocalcium from Oyster Shell
Abstract
Oyster shell is one of the most potential solid waste as a source of natural calcium because it contains
more than 60% of CaCO3. The purposes of this research was to utilizing oyster shell into nanocalcium by
calcinations method, to characterise of nanocalcium. The oyster shell were milled in planetary ball mill
to fine a powder to uniform size of the sifted flour using a sieve of 200 mesh sieve. And then, Oyster shell
powder is calcinated in furnace with 900°C for 4 hours. the resulting material was denoted by nano-CaO. The
yield of nanocalcium obtained was 57.06%. Based on the analysis, nanocalcium contained calcium mineral
(56.77%/100 g) and lead (15.9 ppm). The morphology of the sampel surface of the nanocalcium sampel was
comprises homogenous shape and size of particles with crystal form as vaterite and some aragonite.
more than 60% of CaCO3. The purposes of this research was to utilizing oyster shell into nanocalcium by
calcinations method, to characterise of nanocalcium. The oyster shell were milled in planetary ball mill
to fine a powder to uniform size of the sifted flour using a sieve of 200 mesh sieve. And then, Oyster shell
powder is calcinated in furnace with 900°C for 4 hours. the resulting material was denoted by nano-CaO. The
yield of nanocalcium obtained was 57.06%. Based on the analysis, nanocalcium contained calcium mineral
(56.77%/100 g) and lead (15.9 ppm). The morphology of the sampel surface of the nanocalcium sampel was
comprises homogenous shape and size of particles with crystal form as vaterite and some aragonite.
Authors
HandayaniL., & SyahputraF. (2018). Isolation and Identification Nanocalcium from Oyster Shell. Jurnal Pengolahan Hasil Perikanan Indonesia, 20(3), 515-523. https://doi.org/10.17844/jphpi.v20i3.19776
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