SEARCH Articles Figures Tables Cation exchange Cation exchangers Cation extractants Cation-exchange extractants Cation-exchange solids Cationic exchangers Cationic extractant Cationic extractants Cations cation exchange Cations strong Exchangeable cations Extract phase Extraction cation-exchanging Extraction cation-exchanging extractants Phase extraction Strong cation exchanger , solid-phase Strong cation-exchange Strong cation-exchanger