Comparison of adsorption capacities for Cs⁺ onto various adsorbents.

Adsorbents	Q m (mg g−1)	References
PB/Fe3O4/GO	55.56	15
PB/magnetic nanoclusters	45.87	18
CsTreat (K2CoFe(CN)6)	32.36	21
PB/cellulose nanofibers	139	24
KCuHCF/Fe3O4/PVA hydrogel	82.8	25
PB/RGO foam	18.67	28
PB/magnetic hydrogel beads	41.15	32
PB@PUS-3 foam	68.6	This study