Mixing Effect on Stoichiometric Diversity in Benzoic Acid-Sodium Benzoate Cocrystals

Tzu Hsuan Chen, Kuan Lin Yeh, Chih Wei Chen, Hung Lin Lee, Yu Cheng Hsu, Tu Lee

研究成果: 雜誌貢獻期刊論文同行評審

5 引文 斯高帕斯(Scopus)

摘要

The aim of this study was to investigate the mixing effect on the stoichiometric diversity of benzoic acid-sodium benzoate (HBz-NaBz) cocrystals. The crystallization of HBz-NaBz cocrystals in a 500 mL sized glass vessel was monitored under different agitation speeds and feeding rates of HCl aqueous solution. Under good micromixing and macromixing, the HBz crystals, 2:1 and 1:1 cocrystals of HBz-NaBz were crystallized out rapidly, and all crystals were transformed to a mixture of 2:1 and 1:1 cocrystals of HBz-NaBz in a relatively short amount of time. However, the crystallization of 1:1 cocrystals of HBz-NaBz was delayed by poor micro-, meso-, and macromixing simultaneously. The compositions of the products were altered in different mixing conditions even given the identical experiment time. It was feasible to harvest pure 1:1 or pure 2:1 cocrystals of HBz-NaBz by reaction crystallization through the control of the mixing condition, concentration of reactants, and experiment time. The ternary phase diagram was also constructed for the HBz-NaBz-water system.

原文???core.languages.en_GB???
頁(從 - 到)1576-1583
頁數8
期刊Crystal Growth and Design
19
發行號3
DOIs
出版狀態已出版 - 6 3月 2019

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