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首页> 外文期刊>Crystal Research and Technology: Journal of Experimental and Industrial Crystallography >Thermal and infrared studies of calcium malate crystals grown in diffusion limited medium
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Thermal and infrared studies of calcium malate crystals grown in diffusion limited medium

机译:在扩散受限介质中生长的苹果酸钙晶体的热和红外研究

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摘要

Single crystals of the title compound Ca (C4H5O5)(2).10H(2)O are grown in silica gel using controlled chemical reaction method. Multifaceted single crystals of size up to 8x4x2 mm(3) are obtained. Powder X-Ray Diffraction (XRD) pattern of the grown crystal and the Fourier Transform Infra-Red (FTIR) spectrum in the range 400-4000 cm(-1) are recorded. The vibrational bands corresponding to different functional groups are assigned. Thermal decomposition stages observed in the Thermo-gravimetric (TG) and Differential Thermal Analysis (DTA) studies are discussed. A six-stage thermal decomposition scheme is proposed for the compound. (c) 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
机译:使用受控化学反应方法,在硅胶中生长标题化合物Ca(C4H5O5)(2).10H(2)O的单晶。获得尺寸最大为8x4x2 mm(3)的多面单晶。记录生长晶体的粉末X射线衍射(XRD)模式和400-4000 cm(-1)范围内的傅立叶变换红外(FTIR)光谱。分配了与不同功能组相对应的振动带。讨论了在热重(TG)和差热分析(​​DTA)研究中观察到的热分解阶段。提出了该化合物的六阶段热分解方案。 (c)2005 WILEY-VCH Verlag GmbH&Co. KGaA,Weinheim。

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