金纳米粒子的制备及在汞离子检测中的应用——推荐一个分析化学综合实验

doi:10.3866/PKU.DXHX201909003

University Chemistry ›› 2020, Vol. 35 ›› Issue (9): 103-109.doi: 10.3866/PKU.DXHX201909003

• Chemistry Laboratory • Previous Articles Next Articles

Synthesis of Gold Nanoparticles and Its Application in Mercury Ion Detection

Baodui Wang(), Tianrong Li, Jun Hai, Yongmin Liang, Zhengyin Yang

National Demonstration Center for Experimental Chemistry Education (Lanzhou University), College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China

Received:2019-09-02 Accepted:2019-10-18 Published:2019-11-12
Contact: Baodui Wang E-mail:wangbd@lzu.edu.cn

Abstract

Abstract:

Gold nanoparticles (Au NPs) were synthesized by reducing HAuCl₄ with sodium citrate. The sensitivity and selectivity of gold amalgam catalytic degradation of rhodamine B (RhB) system for mercury detection were investigated by fluorescence spectroscopy and ultraviolet-visible absorption spectroscopy. In the experiment, students' interest in scientific research and exploratory spirit will be stimulated, students' comprehensive experimental operation skills and subjective initiative will be improved, the understanding and application of nanoparticles preparation, characterization, catalytic reaction knowledge and metal ion analysis methods will be enhanced. Furthermore, the innovative thinking and scientific spirit of the students will be cultivated.

Key words: Au nanoparticles, Rhodamine B, Hg²⁺, Detection

MSC2000:

Baodui Wang, Tianrong Li, Jun Hai, Yongmin Liang, Zhengyin Yang. Synthesis of Gold Nanoparticles and Its Application in Mercury Ion Detection[J].University Chemistry, 2020, 35(9): 103-109.

Figures/Tables 6

References 9

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Synthesis of Gold Nanoparticles and Its Application in Mercury Ion Detection

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