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2020, Vol. 41(15): 58-62    DOI: 10.13884/j.1003-3807hxjy.2019040137
Development of Self-Made Photoelectric Colorimeter and Its Application in High School Chemistry Experiment
ZHANG Ze1,2, REN Hong-Yan1*
1. College of Teacher Education,Nanjing Normal University,Nanjing 210097,China;
2. Changzhou Qishuyan High School,Changzhou 213000,China
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