Official Journal of the Japan Wood Research Society
From: Decontamination of Cs from Japanese cedar (Cryptomeria japonica) via kraft cooking
 | Chip | Pulp | 1st black liquor | 2nd black liquor | 3rd black liquor | |||
---|---|---|---|---|---|---|---|---|
1st supernatant | 1st precipitation | 2nd supernatant | 2nd precipitation | 3rd supernatant | 3rd precipitation | |||
Bark | 15.9 | 1.2 ± 0.1 | 13 ± 1.8 | 1.1 ± 1.2 | 2.5 ± 1.1 | 0.30 ± 0.09 | 1.3 ± 0.5 | 0.33 ± 0.17 |
Sapwood | 0.49 | ND | 0.29 ± 0.04 | 0.14 ± 0.01 | ND | |||
Heartwood | 0.78 | ND | 0.42 ± 0.01 | 0.20 ± 0.04 | 0.12 ± 0.02 |