Production of Apatitic Material Using Turkish Colemanite Mineral

Cagatay Moral*, Tugba Basargan, Gülhayat Nasun-Saygih

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The aim of this study is to prepare the apatitic material using colemanite mineral (2CaO.3B2O3.5H2O) which was obtained from Eastern Anatolia, Turkey. For this purpose, colemanite mineral was reacted with different phosphate sources, namely, dipotassiumhydrogen phosphate, ammoniumhydrogen phosphate and ortophosphoric acid at various temperatures and time periods. Experiments were run in batch system. The apatitic material was prepared by a wet method and followed by heat treatment at various temperatures. Structure of the samples was analyzed by XRD, FTIR, XRF and SEM. The particle size analysis was also made for the result product. The experiments showed that reaction temperature, contact time and heating temperature are important parameters to transform the colemanite into apatitic structure. Reaction of colemanite with dipotassiumhydrogen phosphate and ammoniumhydrogen phosphate results in amorphous, non-stoichiometric hydroxyapatite type structure, while acid based phosphate source gives brushite and monetite type product before and after heat treatment, respectively.

Orijinal dilİngilizce
Ana bilgisayar yayını başlığıCharacterization of Minerals, Metals, and Materials
YayınlayanJohn Wiley and Sons
Sayfa sayısı12
ISBN (Basılı)9781118291221
Yayın durumuYayınlandı - 15 May 2012

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