Element | Before conservation | After conservation | ||
Wt% | At% | Wt% | At% | |
C | 45.5 | 57.2 | 29.68 | 55.2 |
N | 1.37 | 1.48 | - | - |
O | 33.91 | 32 | 9.95 | 13.89 |
Na | 2.36 | 1.55 | 14.75 | 14.33 |
Mg | 0.68 | 0.42 | - | - |
Al | 2.7 | 1.51 | - | - |
Si | 6.93 | 3.73 | - | - |
K | 0.71 | 0.27 | - | - |
Ca | 2.39 | 0.9 | - | - |
Fe | 3.44 | 0.93 | 11.2 | 4.48 |
Cu | - | - | 34.43 | 12.1 |