Official Journal of the Japan Wood Research Society
Table 2 Rating scale for the discoloration of specimen surface
Rating | Macroscopic discoloration level |
|---|---|
0 | No discoloration |
1 | A little discoloration, but light on surface |
2 | Less than 10% of specimen surface discolored |
3 | 10% or more and less than 50% of specimen surface discolored |
4 | 50% or more and less than 100% of specimen surface discolored |
5 | 100% of specimen surface discolored |