Enhanced formation of copper ferrocyanide on amidoxime-modified polyacrylonitrile for highly efficient recovery of Rb+ and Cs+ - Nannan Zhang; Xuhui Ma; Lijun Meng; Senjian Han; Lina Xu; Xunliang Wang; Shiqiang Wang; Tianlong Deng; Zhenyu Liao (Journal of Water Process Engineering, 2026)