| Transformation form | Wavelength/nm | Correlation coefficient |
| FD | 466 | 0.30** |
| 546 | −0.26** | |
| 595 | −0.25** | |
| 603 | 0.27** | |
| 660 | 0.26** | |
| 835 | 0.26** | |
| 885 | 0.28** | |
| MSC + FD | 466 | 0.36** |
| 508 | 0.27** | |
| 546 | −0.27** | |
| 595 | −0.26** | |
| 603 | 0.29** | |
| 638 | −0.26** | |
| 660 | 0.27** | |
| 667 | 0.26** | |
| 756 | 0.28** | |
| 835 | 0.31** | |
| 885 | 0.32** | |
| 905 | −0.26** |