Table 2 Elemental analysis (C, H, N, O, and atomic ratios H/C, N/C, and O/C) of the biochar samples.
SampleŦ | C, H, N and atomic ratios H/C, N/C and O/C | ||||||
|---|---|---|---|---|---|---|---|
%C | %H | %N | %O | H/C | N/C | O/C | |
CR | 52 ± 0 | 3 ± 0 | 2 ± 0 | 43 ± 0 | 1 | 0 | 1 |
CS | 59 ± 0 | 5 ± 0 | 1 ± 0 | 35 ± 0 | 1 | 0 | 0 |
OP | 58 ± 1 | 5 ± 0 | 2 ± 0 | 35 ± 1 | 1 | 0 | 0 |
PO | 60 ± 1 | 5 ± 0 | 1 ± 0 | 35 ± 1 | 1 | 0 | 0 |
SB | 59 ± 1 | 4 ± 0 | 1 ± 0 | 37 ± 1 | 1 | 0 | 0 |
WH | 45 ± 1 | 5 ± 0 | 4 ± 1 | 47 ± 0 | 1 | 0 | 1 |
