S. Widyastuti, I.A. Pramushinta
Prepared and characterized calcium carbonat calcite nanocrystals improves solubility. Calcium carbonat calcite nanocrystals were synthesized using precipitation method from the waste of blood clam cockle shells (Anadara granosa Linn). This study was conducted to analyze mineral composition of nanocrystals calcium carbonat calcite cockle (Anadara granosa) shell for calcium fortification of food applications and to evaluate the solubilities of Calsium and Phospor. The sample of nanocrystals from cockle shells was evaluated to determine the content of 11 macro-and micro-elements. These elements are Calcium (Ca), Magnesium (Mg), Sodium (Na), Phosphorus (P), Potassium (K), Ferrum (Fe), Copper (Cu), Nickel (Ni), Zink (Zn), Boron (B) and Silica (Si)). Cockleshell powders were found to contain toxic elements below detectable levels. The solubilities of Calcium and Phospor were p<0.05. © Published under licence by IOP Publishing Ltd.
Department of Environmental Engineering, Faculty of Civil Engineering and Planning, Universitas PGRI Adi Buana, Surabaya, 60245, Indonesia; Department of Biology Faculty of Mathematics and Science, Universitas PGRI Adi Buana, Surabaya, 60245, Indonesia
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