Research Article
Effect of Water Saturation on the Diffusion/Adsorption of 22Na and Cesium onto the Callovo-Oxfordian Claystones
Table 1
Summary of the samples, the tracers, and the type of experiments performed in this study. √ means performed.
| Sample state | Thickness (mm) | [PEG] (g/g of solution) | Applied suction (MPa) | Type of experiments | Through-diffusion | Out-diffusion | In-diffusion until equilibrium | Petrophysical measurement |
| Intact | 11.13 | 0 | 0 | 22Na+ | √ | | | Intact | 11.16 | 0.42 | 1.9 | 22Na+ | √ | | | Intact | 10.96 | 0.76 | 6.3 | 22Na+ | √ | | | Intact | 11.15 | 0.95 | 9 | 22Na+ | √ | | | Intact | 6.01 | 0.95 | 9 | | | 22Na+ | | Compacted | 10.17 | 0 | 0 | | | 22Na+ | | Compacted | 9.75 | 0.42 | 1.9 | | | 22Na+ | | Compacted | 9.88 | 0.76 | 6.3 | | | 22Na+ | | Compacted | 9.93 | 0.95 | 9 | | | 22Na+ | | Intact | 8.60 | 0 | 0 | | | = 8.7 × 10−4 M | | Intact | 2.08 | 0.95 | 9 | | | + = 7.6 × 10−4 M | | Compacted | 6.03 | 0 | 0 | | | + = 8.4 × 10−4 M | | Compacted | 3.93 | 0.42 | 1.9 | | | + = 7.6 × 10−4 M | | Compacted | 4.02 | 0.76 | 6.3 | | | + = 8.4 × 10−4 M | | Compacted | 3.88 | 0.95 | 9 | | | + = 7.8 × 10−4 M | | Intact | 8 | 0.95 | 9 | | | | √ | Compacted | 10.09 | 0 | 0 | | | | √ | Compacted | 10.11 | 0.42 | 1.9 | | | | √ | Compacted | 9.86 | 0.76 | 6.3 | | | | √ | Compacted | 10.09 | 0.95 | 9 | | | | √ |
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