Table 5.
Completion of retting period for different conditions.
| Retting condition | Sample code | Status of retted samples for different observation day |
||||
|---|---|---|---|---|---|---|
| 09 | 12 | 15 | 18 | 21 | ||
| Concrete Tank 1 (Without natural catalyst) | A | A1 (Partial) | A2 (Partial) | A3 (Partial) | A4 (Completed) | A5 (Over) |
| Concrete Tank 2 (2.5% natural catalyst) | B | B1 (Partial) | B2 (Partial) | B3 (Completed) | B4 (Over) | B5 (Over) |
| Concrete Tank 3 (5% natural catalyst) | C | C1 (Partial) | C2 (Completed) | C3 (Over) | C4 (Over) | C5 (Over) |
| Concrete Tank 4 (7.5% natural catalyst) | D | D1 (Completed) | D2 (Over) | D3 (Over) | D4 (Over) | D5 (Over) |
| Existing method (Without catalyst) | E | E1 (Partial) | E2 (Partial) | E3 (Partial) | E4 (Partial) | E5 (Completed) |