Thermodynamics of solvation for nano zinc ferrite in aqueous hydrochloric acid

Document Type : Original Article

Authors

1 Chemistry Department, Faculty of Science, Benha University, Benha, Egypt.

2 Chemistry Department, Faculty of Science, Mansoura University, 35516 Mansoura, Egypt.

3 Chemistry Department, Faculty of Science, Benha University, Benha, Egypt

Abstract

The molar solubility and thermodynamic parameters of nano zinc ferrite nanoparticles have been studied at different
concentration of aqueous hydrochloric acid at temperature ranging between 298 – 318 K. The nano zinc ferrite powder was
prepared by thermal decomposition method. Structure and particle size of the reaction product was determined by XRD and
TEM analysis. The prepared ferrite showed a spinel structure with particle size 45nm. The solubility of zinc ferrite
nanoparticles in different concentrations of aqueous solutions of HCl was determined by the evaporation process. The
solubility increased with increasing the temperature and the molar concentration of aq. HCl. The solvation thermodynamic
parameters obtained were discussed.

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