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2026, Vol. 47(1): 53-61    DOI: 10.13884/j.1003-3807hxjy.2025050111
Project-Based Teaching in the High School Chemistry Unit Review Lesson of “Ionic Reactions and Equilibrium in Aqueous Solutions”:Determination of Copper Ion Content in Etching Waste Liquid from Copper-Clad Laminates
SUN Min**, SHE Ping-Ping, WEN Li-Quan, AN De-Cheng
Beijing No.2 Middle School, Beijing 100010, China
Received 2025-05-19  Revised 2025-07-08
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