Rapid Analysis of Heavy Metal Element Adsorption by SCG Based on LIBS Technology Hairui Xie, Libing You, Xiaodong Fang, Leyi Li, Haokai Ding, Zhengqi Zhou, Guanyang Zhang and Dongjian Zhang E3S Web Conf., 615 (2025) 02010 Published online: 14 February 2025 DOI: 10.1051/e3sconf/202561502010