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Specific Features of Crystallization of Supersaturated Solution in Femtoliter-Volume Systems

机译:飞升容量系统中过饱和溶液结晶的特定特征

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摘要

According to the thermodynamic model, a very high supersaturation of a solution (up to the complete thermodynamic forbiddenness of crystallization) can be achieved in small-volume systems with phase transitions of the solution–crystal type. Observations in favor of these regularities are described. In particular, “non-Ostwald” behavior in an ensemble of droplets of femto- and picoliter volume is demonstrated: the evaporation and crystallization times of small droplets significantly exceed the evaporation time of large droplets. It is shown experimentally that this behavior is characteristic of different crystals. The described regularities are proposed to have a general character.
机译:根据热力学模型,在具有溶液-晶体类型相变的小体积系统中,可以实现很高的溶液过饱和度(直至达到完全的结晶热力学禁忌度)。描述了有利于这些规律性的观察。尤其是,在毫微微升和微微升容量的液滴集合中,表现出“非奥斯特瓦尔德”行为:小液滴的蒸发和结晶时间明显超过大液滴的蒸发时间。实验表明,这种行为是不同晶体的特征。建议所描述的规律性具有一般特征。

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