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Citation: Shuangshuang Cha, Jinpen Niu, Chuanfeng Liu, Jie Yan, Min Zhu, Wen Zhang, Mingyou Hu. 基于超分子自组装策略定性和定量检测奶粉中的三聚氰胺[J]. University Chemistry, ;2022, 37(5): 211107. doi: 10.3866/PKU.DXHX202111071 shu

基于超分子自组装策略定性和定量检测奶粉中的三聚氰胺

School of Chemistry, Xi'an Jiaotong University, Xi'an 710049, China

Corresponding author: Mingyou Hu, mingyouhu@xjtu.edu.cn
Received Date: 24 November 2021

三聚氰胺是一种应用广泛的化工原料，但在摄入人体后会形成结石，对肾功能造成极大损伤。由于其含氮量高，常被不法商家添加在奶粉中以提高奶粉含氮量，因此在食品工业中三聚氰胺的定性定量检测十分重要。本研究利用超分子自组装的策略，以三聚氰胺与氰尿酸自组装作用为基础，利用亚甲基蓝作为反应指示剂，使用操作便捷的分光光度法对奶粉中的三聚氰胺进行定性和定量检测。本方法反应条件温和、颜色变化明显、检出限低、灵敏度高，也可拆分成多个环节实验，应用于不同学时的实验教学，是一个适合本科教学环境的新颖实验。
- Melamine,
- Supramolecular self-assembly,
- Absorbance,
- Indicator
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