From: Thermodynamic parameters of U (VI) sorption onto soils in aquatic systems
Soil samples | Bulk density (gm/cc) | Porosity (%) | Moisture content (%) | Sand (%) | Silt (%) | Clay (%) | N (%) | C (%) | Distribution coefficients (kd, Lkg-1) | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Deionised water | Groundwater | |||||||||||
25°C | 50°C | 25°C | 50°C | |||||||||
Undisturbed soil | 1.72 | 35 | 1.62 | 34 | 61 | 5 | 2.10 | 1.90 | 2725± 342 | 3543± 365 | 5246 ± 460 | 5612 ± 572 |
Agricultural soil | 1.67 | 37 | 2.80 | 56 | 41 | 3 | 1.74 | 0.84 | 2620± 235 | 4362± 325 | 3008±324 | 4982±452 |