Freundlich isotherm | Langmuir isotherm | Dubinin–Radushkevich isotherm | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
1/n | ||||||||||
Calcium alginate | ||||||||||
Am(III) | 2.87 × 10−5 | 0.97 | 0.99 | 4.46 × 10−3 | 8.98 × 102 | 0.80 | 0.02 | 1.41 × 10−4 | 7.07 | 1.00 |
Sr(II) | 4.68 × 10−7 | 1.00 | 1.00 | 2.99 × 10−3 | 5.00 × 102 | 0.77 | 0.02 | 1.41 × 10−4 | 7.07 | 1.00 |
Cs(I) | 1.67 × 10−7 | 1.00 | 1.00 | 1.23 × 10−3 | 6.23 × 101 | 0.90 | 0.01 | 1.41 × 10−4 | 7.07 | 1.00 |
Strontium alginate | ||||||||||
Am(III) | 3.54 × 10−8 | 1.46 | 0.90 | 6.57 × 10−2 | 5.70 × 102 | 0.84 | 0.01 | 1.41 × 10−4 | 7.07 | 1.00 |
Sr(II) | 2.50 × 10−6 | 1.05 | 1.00 | 2.99 × 10−3 | 2.27 × 102 | 0.96 | 0.01 | 1.41 × 10−4 | 7.07 | 1.00 |
Cs(I) | 1.55 × 10−5 | 1.00 | 1.00 | 1.31 × 10−2 | 6.57 × 101 | 0.84 | 0.02 | 1.41 × 10−4 | 7.07 | 1.00 |
Barium alginate | ||||||||||
Am(III) | 3.17 × 10−6 | 1.34 | 0.91 | 6.75 × 10−2 | 7.70 × 102 | 0.83 | 0.01 | 1.41 × 10−4 | 7.07 | 1.00 |
Sr(II) | 7.32 × 10−6 | 0.99 | 1.00 | 2.86 × 10−3 | 1.47 × 102 | 0.80 | 0.01 | 1.41 × 10−4 | 7.07 | 1.00 |
Cs(I) | 1.67 × 10−5 | 1.00 | 1.00 | 1.30 × 10−2 | 6.31 × 101 | 0.83 | 0.02 | 1.41 × 10−4 | 7.07 | 1.00 |
H2O | HCl | NaNO3 | NaHCO3 | Na2SO4 | |
---|---|---|---|---|---|
Calcium alginate | |||||
Am3+ | 1.6% | 4.4% | 0.9% | 7.8% | 8.7% |
Sr2+ | 5.5% | 12.5% | 8.8% | 9.9% | 5.5% |
Cs+ | 2.2% | 2.2% | 2.2% | 2.2% | 2.2% |
Strontium alginate | |||||
Am3+ | 0.8% | 1.0% | 3.3% | 7.3% | 10.8% |
Sr2+ | 6.1% | 15.8% | 15.8% | 30.4% | 25.5% |
Cs+ | 2.4% | 2.4% | 2.4% | 2.4% | 2.4% |
Barium alginate | |||||
Am3+ | 0.5% | 1.6% | 2.0% | 7.6% | 8.9% |
Sr2+ | 8.3% | 25.0% | 17.6% | 15.9% | 7.3% |
Cs+ | 2.4% | 2.4% | 2.4% | 2.4% | 2.4% |