大学化学 >> 2023, Vol. 38 >> Issue (8): 101-107.doi: 10.3866/PKU.DXHX202208121

化学实验 上一篇    下一篇

方寸之间，大放“光”彩——介绍一个中级分析化学实验

胡谦, 李欣奕, 袁野, 韩旭, 齐晓松, 李嘉琦, 郭艳莉, 马晓虎, 刘伟()   

  • 收稿日期:2022-08-26 录用日期:2022-09-19 发布日期:2022-10-13
  • 通讯作者: 刘伟 E-mail:weiliusnnu@snnu.edu.cn
  • 基金资助:
    陕西师范大学2021年化学分析线下一流课程项目

Send out "Light" Brilliance within Square Inches: Introducing an Analytical Chemistry Experiment at an Intermediate Level

Qian Hu, Xinyi Li, Ye Yuan, Xu Han, Xiaosong Qi, Jiaqi Li, Yanli Guo, Xiaohu Ma, Wei Liu()   

  • Received:2022-08-26 Accepted:2022-09-19 Published:2022-10-13
  • Contact: Wei Liu E-mail:weiliusnnu@snnu.edu.cn

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摘要：

设计了一个中级分析化学实验，将化学发光检测在纸芯片上完成。以硝酸铜和1, 3, 5-均苯三甲酸(H3BTC)为原料，水热法合成金属有机框架材料(MOFs)，将此MOFs负载在纸芯片上，利用其对鲁米诺-H2O2化学发光体系的催化作用，可实现微量H2O2含量的测定。本实验可锻炼学生综合实验的动手能力，掌握数据处理过程，使师范生的创新能力得到提高。

关键词: 化学发光, 纸芯片, 过氧化氢, 金属有机框架

Abstract:

An analytical chemistry experiment at an intermediate level is presented in this work, achieving the detection of chemiluminescence (CL) on a paper-based device. Using copper nitrate and benzene-1, 3, 5-tricarboxylic (BTC) acid in a metal-organic frameworks (MOFs) synthesis reaction, Cu-BTC with a catalytic effect was synthesized and loaded onto the paper's surface. Due to the catalytic effect of Cu-BTC in a luminol-H2O2 CL system, trace H2O2 can be detected. This exercise can train students' practical ability in comprehensive experiments. It can also improve the intuitive ability of normal students to better grasp experimental data processing.

Key words: Chemiluminescence, Paper-based device, Hydrogen peroxide, Metal organic frameworks