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2021, Vol. 42(20): 74-78    DOI: 10.13884/j.1003-3807hxjy.2020060103
Determination of Fe(Ⅲ) Using LED and LEGO Bricks
JIA Li, LAI Tian-Cheng, MA Kai-Guo, MA Yan-Zi, ZHAO Hao, LI Wei-Hong**
National Demonstration Center for Experimental Chemistry Education, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
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