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首页> 外文期刊>Journal of Thermal Analysis and Calorimetry >Crystallization and thermal characterization of calcium hydrogen phosphate dihydrate crystals
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Crystallization and thermal characterization of calcium hydrogen phosphate dihydrate crystals

机译：磷酸氢钙二水合物晶体的结晶和热表征

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摘要

Calcium hydrogen phosphate dihydrate (CHPD) is found quite frequently in urinary calculi (stones). The CHPD crystals were grown by the single diffusion gel growth technique in sodium metasilicate gel. The crystals were found to be having platelet and broad needle type morphologies. The crystals were analyzed by FTIR spectroscopy. The thermal properties were studied by employing the thermogravimetric analysis (TG). Various kinetic and thermodynamic parameters for dehydration were estimated from the TG curve. The selected platelet was studied by scanning electron microscope (SEM) for the growth morphologies indicating that the crystals grew in the form of leaflets having prominent (010) faces. This was in agreement with earlier reported studies.
机译：尿路结石（结石）中经常发现二水合磷酸氢钙（CHPD）。 CHPD晶体是通过单扩散凝胶生长技术在偏硅酸钠凝胶中生长的。发现该晶体具有血小板和宽针型形态。通过FTIR光谱分析晶体。通过使用热重分析（TG）研究热性能。从TG曲线估计了用于脱水的各种动力学和热力学参数。通过扫描电子显微镜（SEM）研究所选的血小板的生长形态，表明晶体以具有突出的（010）面的小叶的形式生长。这与早期报道的研究一致。

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