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Citation: Hongwei Zhao, Jiameng Huai, Ze Wang, Xia Chen. Complexometric Titration for the Determination of Zno in Pharmaceutical Preparations: Application of Quantitative Chemical Analysis in Practice[J]. University Chemistry, ;2022, 37(12): 211106. doi: 10.3866/PKU.DXHX202111067 shu

Complexometric Titration for the Determination of Zno in Pharmaceutical Preparations: Application of Quantitative Chemical Analysis in Practice

School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China

Corresponding author: Xia Chen, chenxia@sxu.edu.cn
Received Date: 24 November 2021

Zinc oxide is a usual additive in food, cosmetics, and pharmaceuticals. In this experiment, ZnO content in prickly heat powder and skin ointment was determined by complexometric titration using ethylenediaminetetraacetic acid (EDTA) as the titrant. With real-life pharmaceuticals as experimental materials, it could stimulate the students’ interests in learning the applications of complexometric titrations in quality control. By comparing the experimental results with label information, the students could better understand and master the principle of complexometric titration, experimental operation and analysis of experimental results.
- Complexometric titration,
- Zinc oxide,
- Analytical chemistry experiment
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