Influence of process conditions on hydroxyapatite crystallinity obtained by direct crystallization



Título del documento: Influence of process conditions on hydroxyapatite crystallinity obtained by direct crystallization
Revista: Materials research
Base de datos: PERIÓDICA
Número de sistema: 000312421
ISSN: 1516-1439
Autores: 1


2
3
Instituciones: 1Instituto de Pesquisas Tecnologicas do Estado de Sao Paulo, Divisao de Quimica, Sao Paulo. Brasil
2Universidade de Sao Paulo, Sao Paulo. Brasil
3Universidade Federal de Sao Carlos, Departamento de Engenharia Quimica, Sao Carlos, Sao Paulo. Brasil
Año:
Periodo: Abr
Volumen: 2
Número: 2
Paginación: 59-62
País: Brasil
Idioma: Inglés
Tipo de documento: Artículo
Enfoque: Descriptivo
Resumen en inglés Crystallization from solutions was applied to produce stoichiometric and crystalline hydroxyapatite (HAP) suitable for use as a biomaterial. This was accomplished by keeping a low supersaturation through the following procedure: semi-continuous operating mode, slow reactant addition rate and addition of a calcium complexing agent. A high temperature (90 °C) and probably carbonate incorporation also favored the formation of a well crystallized material. A qualitative correlation was found between the supersaturation and HAP properties such as crystallinity and particle size
Disciplinas: Ingeniería
Palabras clave: Ingeniería de control,
Ingeniería de materiales,
Cristales,
Cristalización,
Hidroxiapatita,
Biocerámica
Keyword: Engineering,
Control engineering,
Materials engineering,
Crystals,
Crystallization,
Hydroxyapatite,
Bioceramics
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