Porous hydroxyapatite monoliths from gypsum waste

Sachiko Furuta, Hiroaki Katsuki, Sridhar Komarneni

Research output: Contribution to journalArticlepeer-review

44 Scopus citations

Abstract

Porous hydroxyapatite (HAp) monoliths were synthesized from gypsum mold waste with diammonium hydrogen phosphate solution by hydrothermal treatment at 50-190°C and their properties studied. Gypsum waste samples could be completely converted to HAp with 0.5 mol dm-3 (NH4)2HPO4 at 50°C in 15 days and 100°C in 2 days. This paper describes the effect of hydrothermal reaction conditions such as reaction temperature, time and concentration of (NH4)2HPO4 on the formation of new HAp monoliths and their porous properties.

Original languageEnglish (US)
Pages (from-to)2803-2806
Number of pages4
JournalJournal of Materials Chemistry
Volume8
Issue number12
DOIs
StatePublished - Dec 1998

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • Materials Chemistry

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