Table 1 Surface elemental composition of the p-clay and d-clay in atomic ratios relative to aluminium taken as a unique elemental marker for clay structure.
Samples | Al/Al | C/Al | O/Al | N/Al | P/Al | Na/Al |
|---|---|---|---|---|---|---|
p-clay | 1.000 | 1.632 | 8.884 | 0.108 | 0.000 | 0.153 |
d-clay | 1.000 | 1.854 | 9.605 | 0.474 | 0.042 | 0.000 |