Growth and Characterization of Agar Gel Grown Brushite Crystals | Zendy

V. B. Suryawanshi | Zendy; R. T. Chaudhari | Zendy

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Growth and Characterization of Agar Gel Grown Brushite Crystals

Author(s) -

V. B. Suryawanshi,

R. T. Chaudhari

Publication year - 2014

Publication title -

indian journal of materials science

Language(s) - English

Resource type - Journals

ISSN - 2314-7490

DOI - 10.1155/2014/189839

Subject(s) - brushite , thermogravimetric analysis , fourier transform infrared spectroscopy , materials science , scanning electron microscope , diffusion , nuclear chemistry , crystallography , analytical chemistry (journal) , calcium , chemical engineering , chemistry , chromatography , composite material , metallurgy , organic chemistry , physics , engineering , thermodynamics

Brushite [CaHPO4·2H2O] or calcium hydrogen phosphate dihydrate (CHPD) also known as urinary crystal is a stable form of calcium phosphate. The brushite crystals were grown by single and double diffusion techniques in agar-agar gel at room temperature. Effects of different growth parameters were discussed in single diffusion and double diffusion techniques. Good quality star, needle, platy, rectangular, and prismatic shaped crystals in single diffusion and nuclei with dendritic growth were obtained in double diffusion. These grown nuclei were characterized by scanning electron microscopy (SEM), Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD), and thermogravimetric analysis (TGA). SEM has shown the different morphologies of crystals; FTIR has confirmed the presence of functional groups; crystalline nature was supported by XRD, whereas the TGA indicates total 24.68% loss in weight and formation of stable calcium pyrophosphate (Ca2P2O7) at 500°C

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