Recycling of Chicken Egg Shells into Nanopowder: Synthesis, and its Properties

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Saffanah Khuder Mahmood
Ghada Abdulrhman Sultan
Shahbaa Khalil Ebrahim
Ammar Ghanim Mohammed Alhaaik


Increase in unconventional resources of calcium (Ca+2) for fowls, aquaculture and native animals was improved. This work was planned to define the most polymorph of calcium carbonate (CaCO3) that take place in the two types of chicken eggshells (local and imported type). In this research, the comparative analysis of calcium carbonate (CaCO3) content was approved for nominated eggshells of native strain and imported chicken via Field Emission Scanning Electron Microscope (FESEM), Transmission Electron Microscope (TEM), Fourier-Transform Infrared Spectroscopy (FTIR) and Powder X-Ray Diffraction (PXRD) analysis. The results demonstrate that native and imported chicken eggshells comprise calcite morph that had shape between rhombohedral and spherical with distinguished pores distribution in the surface and crystallization size (31) nanometer for local chicken eggshells and (32) nanometer for import chicken eggshells respectively. The authors brief their results that local and import chicken eggshells had the top resources of calcium carbonate (CaCO3).


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Mahmood SK, Sultan GA, Ebrahim SK, Alhaaik AGM. Recycling of Chicken Egg Shells into Nanopowder: Synthesis, and its Properties . Baghdad Sci.J [Internet]. 2022 Aug. 1 [cited 2024 Feb. 29];19(4):0759. Available from:


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