Table 2 Tolerance limits of some ions for terbium(III) sorption from aqueous solution of Transcarpathian clinoptilolite (concentration of Tb(III) – 1 μg∙mL−1; pH 8.25)
Species | Tolerance limit (Cion/CTb(III)) |
|---|---|
NH4 +, NO3 − | 2000 |
Na+, K+ | 1500 |
Zn2+, Ca2+ | 50 |
Cl− | 2500 |
Mg2+ | 300 |
SO4 2− | 1000 |