Achieving sustainable indium recycling: Highly selective separation from acidic tin-rich solutions by solvent extraction - Zhen Yang; Huan Luo; Tongda Deng; Peng Liang; Tengteng Shi; Fengkang Wang; Xianjun Lei; Wenlong Jiang; Bin Yang; Baoqiang Xu (Journal of Environmental Chemical Engineering, 2026)