| 谈谈有机化学实验中的重结晶 |
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| 引用本文： | 袁华,尹传奇,陈云峰.谈谈有机化学实验中的重结晶[J].实验室科学,2012,15(3):65-66. |
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| 作者姓名： | 袁华 尹传奇 陈云峰 |
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| 作者单位： | 武汉工程大学国家级环境与化工清洁生产实验教学示范中心,湖北武汉,430073 |
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| 基金项目： | 国家级实验教学示范中心建设项目，湖北省教育厅教学研究项目 |
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| 摘 要： | 重结晶是固体有机物提纯分离的基础技术。在有机化学实验双语教学实践的基础上,指出重结晶具有结晶本身的过程纯化、不同物质间存在溶解度差、目标组分存在溶解度差三重内涵。深入理解重结晶的概念,有助于学生掌握重结晶的基本原理和操作过程,巩固实验教学效果。
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| 关 键 词： | 有机化学实验 重结晶 提纯分离 |
Recrystallization of experimental organic chemistry |
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| YUAN Hua
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YIN Chuan-qi
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CHEN Yun-feng.Recrystallization of experimental organic chemistry[J].Laboratory Science,2012,15(3):65-66. |
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| Authors: | YUAN Hua YIN Chuan-qi CHEN Yun-feng |
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| Institution: | ( Experimental Teaching Demonstration Center for Environmental and Chemical Engineering Clean Pro- duction, Wuhan Institute of Technology, Wuhan 430073, China) |
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| Abstract: | Recrystallization is a basic techniques for the purification of organic solids. On the base of practice in experimental organic chemisty bilingual teaching, three kinds of conception for recrystalliza- tion are concluded as follows ： purification of the crystallization process itself, different solubility of dif- ferent organic solids, different solubility of solute in a solvent at different temperature. Understanding deeply this conception could help students master the basic principle and experimental process of re- crystallization and strongth the effect on experimental teaching. |
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| Keywords: | experimental organic chemistry recrystallization purification and isolate |
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