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Official Journal of the Japan Wood Research Society

Table 3 HT-dependence of Mössbauer parameters at 298 K of iron-loaded charcoal samples

From: Mössbauer and Raman characterization of iron-loaded woody charcoal: effects of Fe3+-dispersion in wood on reduction of Fe3+ and graphitization in carbonization

Sample

Type of split

IS (mm/s)

QS (mm/s)

H (T)

LW (mm/s)

Yield (%)

Iron species

Fe3-300-3

Doublet

0.398 (7)

0.99 (1)

0.61 (2)

100

High-spin Fe3+

Fe3-650-3

Doublet

0.333 (6)

0.85 (1)

0.70 (2)

100

High-spin Fe3+

Fe3-700-0.5

Doublet

0.349 (6)

0.93 (1)

0.71 (2)

100

High-spin Fe3+

Fe3-700-3

Sextet-1

0.001 (7)

0.01 (1)

33.06 (4)

0.32 (2)

37 (2)

α-Fe

Singlet

− 0.17 (11)

0.44 (20)

3 (1)

γ-Fe

Sextet-2

0.193 (9)

20.61 (7)

0.39 (2)

37 (2)

Fe3C

Doublet

0.35 (4)

0.91 (7)

0.67 (8)

22 (2)

High-spin Fe3+

Fe3-850-0.5

Sextet-1

− 0.001 (9)

0.00 (2)

33.06 (6)

0.30 (3)

21 (1)

α-Fe

Singlet

− 0.096 (4)

0.40 (1)

30 (1)

γ-Fe

Sextet-2

0.185 (5)

0.041 (11)

20.71 (4)

0.34 (2)

41(1)

Fe3C

Doublet

0.72 (5)

0.65 (7)

0.54 (13)

8 (1)

High-spin Fe3+

Fe3-850-3

Sextet-1

− 0.010 (4)

0.028 (8)

33.11 (2)

0.32 (1)

25 (1)

α-Fe

Singlet

− 0.096 (2)

0.466 (7)

33.7 (4)

γ-Fe

Sextet-2

0.181 (4)

0.057 (7)

20.64 (3)

0.414 (9)

37 (1)

Fe3C

Doublet

0.61 (1)

0.48 (2)

0.28 (3)

4.1 (4)

High-spin Fe3+

  1. HT holding time at CT, IS isomer shift, QS quadrupole splitting, H internal magnetic field, LW line width