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Journal of Mathematical Chemistry

, Volume 51, Issue 5, pp 1249–1257 | Cite as

Computer modeling of synthesis of calcium hydroxyapatite (CHAp)

  • Mažvydas Mackevičius
  • Feliksas Ivanauskas
  • Aivaras Kareiva
  • Irma Bogdanovičienė
Original Paper

Abstract

In our previous papers (Mackevičius et al. in Cent Eur J Chem 10(2):380–385, 2012, J Math Chem 50(8):2291–2302, 2012), we presented a method for estimation of the diffusion and reaction rates of synthesis at high temperatures using limited information, such as synthesis time and dimensions of reactants, from real laboratory experiments. The method was limited to the two-reactant case. In order to extend the method to the three-reactant case, the form and distribution of particles of three reactants must satisfy requirements of periodicity and symmetry. In our model, we achieve this by taking rhombic particles and a triangular synthesis space. Solving in the latter an inverse modeling problem, we obtain explicit formulas for the diffusion coefficient and reaction rate as functions of temperature by calculating the activation energies and other parameters of CHAp synthesis.

Keywords

Sol–gel processing Three-reactant model Diffusion coefficient Reaction rate 

Notes

Acknowledgments

Research presented in the introduction section was funded by a grant (No. TAP-LLT-07/2012) from the Research Council of Lithuania.

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Mažvydas Mackevičius
    • 1
  • Feliksas Ivanauskas
    • 2
  • Aivaras Kareiva
    • 3
  • Irma Bogdanovičienė
    • 3
  1. 1.Institute of Mathematics and InformaticsVilnius UniversityVilniusLithuania
  2. 2.Department of Mathematics and InformaticsVilnius UniversityVilniusLithuania
  3. 3.Department of ChemistryVilnius UniversityVilniusLithuania

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