Kinetic studies for the transformation process of β-whitlockite in hydroxyapatite

Valentina R. Dejeu; Réka Barabás; Alexandru Pop; Erzsébet Sára Bogya; Paul Serban Agachi

Kinetic studies for the transformation process of β-whitlockite in hydroxyapatite

Valentina R. Dejeu, Réka Barabás, Alexandru Pop, Erzsébet Sára Bogya, Paul Serban Agachi

Chemical, Materials & Metallurgical Engineering

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

In the paper are presented the results of the kinetic study for the transformation of β-whitlockite in hydroxyapatite (HAP). It has been showed the influence of pH and temperature over the rate of the process. The values for the rate constants and activation energy at pH = 8.5-12 were determined. The obtained values for the activation energies show that the process of transformation of β-whitlockite in HAP could be described using a combined macrokinetic mechanism: transfer - mass transformation.

Original language	English
Pages (from-to)	1251-1253
Number of pages	3
Journal	Revista de Chimie
Volume	60
Issue number	12
Publication status	Published - Dec 2009

All Science Journal Classification (ASJC) codes

General Chemistry
General Engineering
Materials Chemistry
Surfaces, Coatings and Films
Materials Science (miscellaneous)

Cite this

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abstract = "In the paper are presented the results of the kinetic study for the transformation of β-whitlockite in hydroxyapatite (HAP). It has been showed the influence of pH and temperature over the rate of the process. The values for the rate constants and activation energy at pH = 8.5-12 were determined. The obtained values for the activation energies show that the process of transformation of β-whitlockite in HAP could be described using a combined macrokinetic mechanism: transfer - mass transformation.",

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AU - Dejeu, Valentina R.

AU - Barabás, Réka

AU - Pop, Alexandru

AU - Bogya, Erzsébet Sára

AU - Agachi, Paul Serban

PY - 2009/12

Y1 - 2009/12

N2 - In the paper are presented the results of the kinetic study for the transformation of β-whitlockite in hydroxyapatite (HAP). It has been showed the influence of pH and temperature over the rate of the process. The values for the rate constants and activation energy at pH = 8.5-12 were determined. The obtained values for the activation energies show that the process of transformation of β-whitlockite in HAP could be described using a combined macrokinetic mechanism: transfer - mass transformation.

AB - In the paper are presented the results of the kinetic study for the transformation of β-whitlockite in hydroxyapatite (HAP). It has been showed the influence of pH and temperature over the rate of the process. The values for the rate constants and activation energy at pH = 8.5-12 were determined. The obtained values for the activation energies show that the process of transformation of β-whitlockite in HAP could be described using a combined macrokinetic mechanism: transfer - mass transformation.

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IS - 12

ER -

Kinetic studies for the transformation process of β-whitlockite in hydroxyapatite

Abstract

All Science Journal Classification (ASJC) codes

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