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Polymorphism of Calcium Carbonate Crystal by Addition of Various Amino  

Kim, Jin-Ho (Department of Chemical Engineering, Chungnam National University)
Kim, Jong Min (Department of Chemical Engineering, Dong A University)
Kim, Woo Sik (School of Environment and Applied Chemistry, Kyunghee University)
Kim, In Ho (Department of Chemical Engineering, Chungnam National University)
Publication Information
Korean Chemical Engineering Research / v.47, no.2, 2009 , pp. 213-219 More about this Journal
Abstract
Crystallization experiments were performed by addition of various amino acids into biomineralization mixture of calcium carbonate. Liquid-liquid reaction of calcium carbonate was investigated by mixing calcium chloride, sodium carbonate and additives such as silk fibroin, asparagine, aspartic acid, glutamic acid and glycine. Also, the effects of reaction time, pH and solution concentration were observed. Analysis of crystals was done by FE-SEM, XRD, FT-IR equipments. FE-SEM was used in order to analyze morphology and crystal size. XRD was used to measure peak intensities and presence of $CaCO_3$ crystal. Two kinds of crystals were confirmed by FT-IR spectrum. Crystal distribution with reaction time was identified with measured peak areas of XRD and FT-IR data.
Keywords
Calcium Carbonate; Crystallization; Biomineralization; Amino acids;
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Times Cited By KSCI : 2  (Citation Analysis)
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