对羟基苯乙酮萃取实验研究
部分高校开设的有机化学萃取实验，采用是乙酸乙酯萃取质量分数为5%的苯酚水溶液，鉴于苯酚具有中等毒性和腐蚀性，在实验操作过程中，如萃取、有机相干燥、蒸馏溶剂回收等实验环节都会挥发，为了绿色化实验，减少指导教师和学生在实验过程中吸入有毒化合物及苯酚对环境的危害，选择了化妆品中常用添加剂对羟基苯乙酮替代苯酚作为研究对象，配制饱和水溶液，分别以乙酸乙酯和二氯甲烷为有机溶剂萃取对羟基苯乙酮，并锻炼学生萃取过程中如何破乳以及对比两种不同溶剂的萃取效果。...
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| Published in | 大学化学 Vol. 39; no. 11; pp. 259 - 268 |
|---|---|
| Main Authors | , , , , , , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
北京大学
28.11.2024
中国化学会 中南大学化学化工学院,长沙 410083%湖南大学化学化工学院,长沙 410082 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1000-8438 |
| DOI | 10.12461/PKU.DXHX202402056 |
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| Abstract | 部分高校开设的有机化学萃取实验，采用是乙酸乙酯萃取质量分数为5%的苯酚水溶液，鉴于苯酚具有中等毒性和腐蚀性，在实验操作过程中，如萃取、有机相干燥、蒸馏溶剂回收等实验环节都会挥发，为了绿色化实验，减少指导教师和学生在实验过程中吸入有毒化合物及苯酚对环境的危害，选择了化妆品中常用添加剂对羟基苯乙酮替代苯酚作为研究对象，配制饱和水溶液，分别以乙酸乙酯和二氯甲烷为有机溶剂萃取对羟基苯乙酮，并锻炼学生萃取过程中如何破乳以及对比两种不同溶剂的萃取效果。 |
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| AbstractList | 部分高校开设的有机化学萃取实验，采用是乙酸乙酯萃取质量分数为5%的苯酚水溶液，鉴于苯酚具有中等毒性和腐蚀性，在实验操作过程中，如萃取、有机相干燥、蒸馏溶剂回收等实验环节都会挥发，为了绿色化实验，减少指导教师和学生在实验过程中吸入有毒化合物及苯酚对环境的危害，选择了化妆品中常用添加剂对羟基苯乙酮替代苯酚作为研究对象，配制饱和水溶液，分别以乙酸乙酯和二氯甲烷为有机溶剂萃取对羟基苯乙酮，并锻炼学生萃取过程中如何破乳以及对比两种不同溶剂的萃取效果。 G64%O6; 部分高校开设的有机化学萃取实验,采用是乙酸乙酯萃取质量分数为5%的苯酚水溶液,鉴于苯酚具有中等毒性和腐蚀性,在实验操作过程中,如萃取、有机相干燥、蒸馏溶剂回收等实验环节都会挥发,为了绿色化实验,减少指导教师和学生在实验过程中吸入有毒化合物及苯酚对环境的危害,选择了化妆品中常用添加剂对羟基苯乙酮替代苯酚作为研究对象,配制饱和水溶液,分别以乙酸乙酯和二氯甲烷为有机溶剂萃取对羟基苯乙酮,并锻炼学生萃取过程中如何破乳以及对比两种不同溶剂的萃取效果. |
| Abstract_FL | For the organic chemistry extraction experiments in some universities,the aqueous phenol solution(5 wt%)is normally extracted by ethyl acetate.However,phenol has moderate toxicity and corrosiveness,and it volatilizes easily during experimental operations such as extraction,organic phase drying and distillation solvent recovery.To promote greener laboratory practices and reduce the exposure to toxic compounds for both students and experimental mentors,as well as the environmental impact of phenol,the p-hydroxyacetophenone is selected to replace phenol for the lab course in the present work.The p-hydroxyacetophenone is a natural compound,which is widely used as additive in skincare cosmetics.The saturated aqueous solution of p-hydroxyacetophenone is prepared and extracted by the ethyl acetate or dichloromethane.The process of demulsify during the extraction process has been introduced and showed.Furthermore,the extraction efficiencies of these two solvents are compared. |
| Author | 彭红建 蒋历辉 罗一鸣 夏涌清 董万荣 胡晓倩 阳华 袁俊 邹应萍 曾子涵 |
| AuthorAffiliation | 中南大学化学化工学院,长沙 410083%湖南大学化学化工学院,长沙 410082 |
| AuthorAffiliation_xml | – name: 中南大学化学化工学院,长沙 410083%湖南大学化学化工学院,长沙 410082 |
| Author_FL | Lihui Jiang Zihan Zeng Yingping Zou Yiming Luo Jun Yuan Yongqing Xia Xiaoqian Hu Hua Yang Wanrong Dong Hongjian Peng |
| Author_FL_xml | – sequence: 1 fullname: Lihui Jiang – sequence: 2 fullname: Wanrong Dong – sequence: 3 fullname: Hua Yang – sequence: 4 fullname: Yongqing Xia – sequence: 5 fullname: Hongjian Peng – sequence: 6 fullname: Jun Yuan – sequence: 7 fullname: Xiaoqian Hu – sequence: 8 fullname: Zihan Zeng – sequence: 9 fullname: Yingping Zou – sequence: 10 fullname: Yiming Luo |
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| Keywords | 对羟基苯乙酮 有机化学实验 萃取 Extraction p-Hydroxyacetophenone Organic chemistry experiments |
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| Snippet | 部分高校开设的有机化学萃取实验，采用是乙酸乙酯萃取质量分数为5%的苯酚水溶液，鉴于苯酚具有中等毒性和腐蚀性，在实验操作过程中，如萃取、有机相干燥、蒸馏溶剂回收等实... G64%O6; 部分高校开设的有机化学萃取实验,采用是乙酸乙酯萃取质量分数为5%的苯酚水溶液,鉴于苯酚具有中等毒性和腐蚀性,在实验操作过程中,如萃取、有机相干燥、蒸馏溶剂回收... |
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| Title | 对羟基苯乙酮萃取实验研究 |
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