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1 Materials Science Poland

1 2014

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Unidirectional growth of pure and L-lysine added ADP crystals from aqueous solution

Salarian S, Dizaji H R

Materials Science Poland

2014

Vol. 32, No. 1

12--15

Pure and L-lysine added ammonium dihydrogen phosphate (ADP) crystals were grown in the h001i direction by Sankaranarayanan-Ramasamy (S-R) method. The grown crystals were characterized by X-Ray diffractometry (XRD), UV-Vis spectroscopy, Fourier Transform Infrared (FT-IR) and Vicker’s Microhardness analysis. XRD spectrum of each of the grown crystals proved its crystallinity. The crystals showed good transparency in the entire visible region. FT-IR spectra of the specimens revealed the presence of functional groups in them. The hardness of the pure and L-lysine added ADP crystals were measured and that of the added one was found higher. Meanwhile, it was found that the ADP crystals (pure and L-lysine added) grown by S-R method had higher hardness compared to ADP crystal grown by conventional method.