摘要
针对有机化学实验中“三废”难处理的问题,设计薄层色谱实验并运用于本科实验教学中。薄层板选取GF-254型硅胶板,测试样品为乙酰苯胺、咖啡因的95%乙醇溶液(3mg/mL),展开剂选用体积比为10∶1的环己烷与乙酸乙酯,实验结果分离效果好、斑点清晰、实验现象明显。该实验试剂使用量减少,产物实现循环利用,实验的应用性、系统性增强,充分符合“绿色化学”和培养应用型人才的要求。
This paper designed experimental content of the thin layer chromatography applied to undergraduate experimental teaching in order to solve the issue that“three wastes”were difficult to deal with in organic chemistry experiments.The GF-254 silica gel plate was selected as the thin layer plate,the test sample was 95%ethanol solution of acetanilide and caffeine(3 mg/mL),and the developing agent was cyclohexane and ethyl acetate with a volume ratio of 10∶1.The experimental results showed kind separation effects and clear spots,and the experimental phenomenon was evident.In the experiment the amount of reagent used was reduced,the products were recycled,and the application and systematicness were enhanced,which fully conformed to the requirements of“green chemistry”and cultivating applied talents.
作者
孙萌萌
郭俊杰
孟宪昉
王倩
白正晨
张弘青
Sun Mengmeng;Guo Junjie;Meng Xianfang;Wang Qian;Bai Zhengchen;Zhang Hongqing(Tianjin University of Commerce,Tianjin 300134,China)
出处
《广东化工》
CAS
2024年第13期168-172,共5页
Guangdong Chemical Industry
基金
国家自然科学基金(31871811)
天津市普通高等学校本科教学改革与质量建设研究计划项目(B231006902)
天津商业大学课程思政示范课程建设项目(22XJKCSZ0111)。
关键词
绿色化学
薄层色谱
乙酰苯胺
咖啡因
green chemistry
thin layer chromatography
acetanilide
caffeine
作者简介
通讯作者:孙萌萌(1989-),女,天津人,实验师,硕士,主要研究方向为有机化学、电化学实验教学改革。
