Official Journal of the Japan Wood Research Society
Table 4 Mössbauer parameters at 298 K of iron-loaded charcoal samples synthesized from wood containing Fe3+ of 5 w/w%
Sample | Type of split | IS (mm/s) | QS (mm/s) | H (T) | LW (mm/s) | Yield (%) | Iron species |
|---|---|---|---|---|---|---|---|
Fe5-600-1 | Doublet | 0.327 (3) | 0.918 (5) | ‒ | 0.682 (8) | 100 | High-spin Fe3+ |
Fe5-650-1 | Sextet-1 | 0.010 (3) | − 0.009 (7) | 33.11 (2) | 0.30 (1) | 20 (1) | α-Fe |
Sextet-2 | 0.185 (8) | 0.06 (2) | 21.02 (5) | 0.24 (2) | 6.2 (4) | Fe3C | |
Doublet | 0.330 (2) | 0.896 (3) | ‒ | 0.682 (5) | 74.0 (3) | High-spin Fe3+ | |
Fe5-700-1 | Sextet-1 | − 0.001 (2) | − 0.005 (3) | 33.17 (1) | 0.301 (5) | 30.7 (4) | α-Fe |
Sextet-2 | 0.189 (2) | 0.022 (4) | 20.80 (1) | 0.375 (5) | 37.1 (4) | Fe3C | |
Doublet | 0.327 (4) | 0.913 (6) | ‒ | 0.72 (1) | 32.3 (3) | High-spin Fe3+ | |
Fe5-850-1 | Sextet-1 | 0.004 (4) | 0.003 (8) | 33.04 (2) | 0.31 (1) | 26.9 (7) | α-Fe |
Singlet | − 0.096 (2) | ‒ | ‒ | 0.407 (6) | 32.1 (4) | γ-Fe | |
Sextet-2 | 0.181 (3) | 0.022 (6) | 20.74 (2) | 0.349 (8) | 35.8 (7) | Fe3C | |
Doublet | 0.56 (1) | 0.44 (2) | ‒ | 0.31 (3) | 5.1 (4) | High-spin Fe3+ |