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Citation: Jinfan Xu, Xinyu Zhu, Ke Yang, Erwen Yang, Zhihan Zhao, Qiutong Chen, Hongyi Li, Jinkai Cheng, Yijun Sun, Jing Wang, Langxing Chen, Anna Tang. Determination of Zinc Content in Zinc Gluconate Oral Solution by Flame Atomic Absorption Spectrometry[J]. University Chemistry, ;2024, 39(1): 142-147. doi: 10.3866/PKU.DXHX202306056 shu

Determination of Zinc Content in Zinc Gluconate Oral Solution by Flame Atomic Absorption Spectrometry

Jinfan Xu ¹ ,
Xinyu Zhu ¹ ,
Ke Yang ¹ ,
Erwen Yang ¹ ,
Zhihan Zhao ¹ ,
Qiutong Chen ¹ ,
Hongyi Li ¹ ,
Jinkai Cheng ¹ ,
Yijun Sun ¹ ,
Jing Wang ^1,3 ,
Langxing Chen ^1,2 ,
Anna Tang ^1,2,,

1.
College of Chemistry, Nankai University, Tianjin 300071, China;
2.
Tianjin Key Laboratory of Biosensing and Molecular Recognition, Research Center for Analytical Sciences, Nankai University, Tianjin 300071, China;
3.
National Demonstration Center for Experimental Chemistry Education, Nankai University, Tianjin 300071, China

Corresponding author: Anna Tang, tanganna@nankai.com
Received Date: 27 June 2023

Flame atomic absorption spectrometry (FAAS) is an important experiment in instrumental analysis laboratory teaching for undergraduates. Atomic absorption spectroscopy (AAS) is used to quantitatively determine a specific element in real samples, which has the advantages of high accuracy, precision, and selectivity. Zinc gluconate oral solution is a common over-the-counter zinc supplement in daily life. Through independent experiments of undergraduates, a simple and easy-to-operate FAAS method is established to determine the zinc content in zinc gluconate oral solution. This experiment aims to cultivate students' ability to apply theoretical knowledge learned in class to solve practical problems, and achieve the educational goal of "learning for application, and application to promote learning".
- Independent experiment,
- Atomic absorption spectrometry,
- Zinc content
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