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首页> 外文期刊>Crystal growth & design >Solution-Mediated Transformation of a to beta L-Glutamic Acid:Rate Enhancement Due to Secondary Nucleation
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Solution-Mediated Transformation of a to beta L-Glutamic Acid:Rate Enhancement Due to Secondary Nucleation

机译:溶液介导的向βL-谷氨酸的转化:由于二次成核的速率提高

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摘要

The ability to control the transformation process between polymorphs of crystalline materials is critical to ensure that the correct form is produced,and hence it is essential to learn which experimental factors affect this transformation reaction.In this contribution,the kinetics of the polymorphic transformation between metastable and stable forms of L-glutamic acid was studied using a number of techniques:optical microscopy,FT-IR,Raman and UV spectroscopy.The effects of solution composition and in particular process scale were investigated.The role of secondary nucleation in which the surface of one polymorph acts as a template for the nucleation of another form is highlighted in this paper.
机译:控制晶体材料多晶型物之间转化过程的能力对于确保产生正确的形式至关重要,因此了解哪些实验因素会影响该转化反应至关重要。在这一贡献中,亚稳态之间多晶型转化的动力学使用光学显微镜,傅立叶变换红外光谱,拉曼光谱和紫外光谱等多种技术研究了L-谷氨酸的稳定形式。研究了溶液组成的影响,特别是工艺规模。表面二次成核的作用本文着重介绍了一种多晶型物作为另一种形式的成核模板的过程。

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