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Eggshell Synthesis Lab Report

1436 Words6 Pages

Experimental Procedure

Materials:
Egg shells, Orthophosphoric acid(99%SIGMA ALDRICH), Titanium dioxide (99%SIGMA ALDRICH),Ammonia solution.

Pure Hydroxyapatite synthesis:

Cleaned and Uncrushed eggshells were calcined in air atmosphere at 900 ºC for 1h, organic materials will decay during heating of first 30 minutes, later on the egg shells will be recovered as calcium oxide. Then the calcined eggshells are grinded into very fine powder using mortar. 5gms of egg shell powder were dispersed in distilled water.To this2M of Ortho phosphoric acid is added drop by drop with continuous stirring for 1hr such that Ca /P ratio is 1:67.The pH is found to be 8.5 at the end of the reaction. The precipitate formed was subjected to aging treatment for …show more content…

Ammonia is summated to reduce the pH to 8.5.The precipitate thus formed was subjected to aging treatment for 24 hrs in ice. Later it is washed several times using double distilled water and filtered. The final precipitate is dried at 80 ºC for 2 h using Hot air oven and calcined at 900 ºC for 1h in muffle furnace to get fine Ti doped HAp Nano …show more content…

10.N.rameshbabu, T.S Sampathkumar, T.G. Prabakar, V.S.Sadtry, Antibacterial Nano sized silver substituted hydroxyapatite; Synthesis and Characterization, Journal of Bio materials Research part A, Vol 80A, Iss 3, 1 March 2007. pp 581-591.

11.Marcos Diaz, Flora Barda, Miriam iranda, synthesis and Antimicrobial activity of Silverhydroxyapatite Nano composite, Journal of Nano materials, Vol 2009(2009), Article 1D – 468505, 6 pages.

12.P.Anitha., HareshM.Pandya, Comprehensive Review of Preparation Methodologies of Nano hydroxyapatite, Journal of Environmental nanotechnology,Volume 4, Issue 1(2013), pp 101-121.
13. V.Kalaiselvi, Dr.N.Jayamani, M.Revathi, Comparitive Study Of Pure ZnO and Copper Doped Zno Nanoparticles Synthesized via Coprecipitation Method, International Journal of Advanced Research in Physics and Development, Volume: 1 Issue: 1 16-Mar-2015,pp 73-77.

14. V.Vetrivel, Dr.K.Rajendran , V.Kalaiselvi, Synthesis and characterization of Pure Titanium dioxide nanoparticles by Sol- gel method, International Journal of ChemTech Research, ISSN: 0974-4290 Vol.7, No.3, pp 1090-1097,

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