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首页> 外文期刊>Journal of Crystal Growth >Determination of the supersaturation in the LiIO_3-HIO_3-H_2O system using a refractive index value at near saturation concentration
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Determination of the supersaturation in the LiIO_3-HIO_3-H_2O system using a refractive index value at near saturation concentration

机译：使用接近饱和浓度的折射率值确定LiIO_3-HIO_3-H_2O系统中的过饱和度

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摘要

The exact determination of supersaturation is essential for the studies of crystal growth processes in solutions. Due to peculiarities in the solubility of LiIO_3, the refractive index of the solution is chosen as a measure of the supersaturation instead of undercooling. The experimental setup is based on a refractometer and a special setup to create supersaturation in the cuvette by means of successive evaporation of small amounts of solvent. The refractive index is measured at different solution concentrations and pH and the data are correlated as dependences of concentration and pH on the refractive index. The accuracy of the method and the adequacy of the model are discussed.
机译：准确确定过饱和度对于研究溶液中晶体生长过程至关重要。由于LiIO 3的溶解度的特殊性，选择溶液的折射率作为过饱和的量度而不是过冷的量度。实验装置基于折光仪和特殊装置，可通过连续蒸发少量溶剂在比色杯中产生过饱和。在不同的溶液浓度和pH值下测量折射率，并将数据与浓度和pH值对折射率的依赖性相关。讨论了该方法的准确性和模型的充分性。

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