Application of numerical methods in the technology of hydroxyapatite

Valentina Roxana Dejeu, Silvia Toader, Barabas Réka, Paul Şerban Agachi

Research output: Contribution to journalArticlepeer-review


Hydroxyapatite precipitation process involves the formation in the first phase of a solid-phase with amorphous structure (amorphous calcium phosphate), which in time turns into hydroxyapatite. Polynomial spline interpolation is a numerical method useful in mathematical modeling of this phase transformation process. By this method, experimental data are interpolated to obtain cubic spline polynomial function which can approximate reasonably well the experimental values of the degree of conversion at any pH between 8.5 ÷ 12. A very good agreement between the experimental and numerical results confirms the validity of the numerical procedure.

Original languageEnglish
Pages (from-to)161-165
Number of pages5
JournalStudia Universitatis Babes-Bolyai Chemia
Issue number4
Publication statusPublished - 2010

All Science Journal Classification (ASJC) codes

  • General Chemistry


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