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Vol. 26 No. 21 (2014): Vol 26 Issue 21

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Biomineral Deposition of Magnesium Phosphates: Mixture of Mg3(PO4)2·22H2O and KMgPO4·6H2O

https://doi.org/10.14233/ajchem.2014.16952
Xiaoniu Yu
School of Materials Science and Engineering, Southeast University, Nanjing 211189, P.R. China ; Research Institute of Green Construction Materials, Southeast University, Nanjing 211189, P.R. China
Chunxiang Qian
School of Materials Science and Engineering, Southeast University, Nanjing 211189, P.R. China ; Research Institute of Green Construction Materials, Southeast University, Nanjing 211189, P.R. China
Xin Wang
School of Materials Science and Engineering, Southeast University, Nanjing 211189, P.R. China ; Research Institute of Green Construction Materials, Southeast University, Nanjing 211189, P.R. China

Corresponding Author(s) : Chunxiang Qian

cxqian@seu.edu.cn

Asian Journal of Chemistry, Vol. 26 No. 21 (2014): Vol 26 Issue 21

Abstract

The magnesium phosphates which are the mixture of Mg3(PO4)2·22H2O and KMgPO4·6H2O was prepared by microbiological method. The main process is substrate hydrolysis by the alkaline phosphatase produced by phosphate-mineralization microbe, in Mg2+ and K+ environment. The structural characterization by X-ray techniques, energy dispersive X-ray spectroscopy and morphological observations via scanning electron microscope showed that the irregular shape of magnesium phosphates have been prepared. And biomineralizing mechanism showed that bacterial body and metabolites play important roles in the process of crystal nucleation, growth and accumulation of magnesium phosphates.

Keywords

Magnesium phosphates Structural Morphology X-ray techniques Scanning electron microscope
Yu, X., Qian, C., & Wang, X. (2014). Biomineral Deposition of Magnesium Phosphates: Mixture of Mg3(PO4)2·22H2O and KMgPO4·6H2O. Asian Journal of Chemistry, 26(21), 7477–7478. https://doi.org/10.14233/ajchem.2014.16952
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