European Journal of Chemistry

Synthesis and microstructure studies of nano-sized cerium-zinc phosphates

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Published: Dec 31, 2011
DOI: https://doi.org/10.5155/eurjchem.2.4.503-508.441
Keywords:
Cerium phosphate, Zinc phosphate, Calcinations, X-ray diffraction, IR, TEM
Section
Research Article
Issue
Vol. 2 No. 4 (2011): December 2011
Dates
Received 2011-04-20
Accepted 2011-07-22
Published 2011-12-31


Main Article Content

Adly Abdella Hanna
Inorganic Chemistry Department, National Research Centre, Dokki, Cairo-11787, Egypt
Sahar Mohamed Mousa
Inorganic Chemistry Department, National Research Centre, Dokki, Cairo-11787, Egypt
Marwa Adel Sherief
Inorganic Chemistry Department, National Research Centre, Dokki, Cairo-11787, Egypt
Gehan Mahmoud Elkomy
Electron Microscopes and Thin Film Department, National Research Centre, Dokki, Cairo-11787, Egypt

Abstract

A system of Ce(SO4)2.4H2O, Zn(CH3COO)2.2H2O and phosphoric acid was studied by the chemical reaction between the precursor materials. The cerium cations were replaced by zinc cations (x) in the range of x = 0.0-1.0. The obtained gels were dried and calcinated at 650 oC for 2 hrs. The effect of calcination on the produced phases was studied using X-ray diffraction (XRD) and infrared spectroscopy (IR). The thermal behaviors of only the dried samples were investigated employing differential scanning calorimetric (DSC) and thermogravimetric analysis (TGA). The transmission electron microscope (TEM) was used to investigate the morphology, crystallinity and particle size of both dried and calcined samples. The TEM results indicated that the crystallinity was improved by increasing the zinc contents. The importance of Zn, Ce phosphates return to their using as UV-shielding agents.

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Hanna, A. A.; Mousa, S. M.; Sherief, M. A.; Elkomy, G. M. Synthesis and Microstructure Studies of Nano-Sized Cerium-Zinc Phosphates. Eur. J. Chem. 2011, 2, 503-508.

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