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Fluorescence intensity of IFl (I) and IFl (II) peaks and their proportion in S-SOM fraction extracted from soils.
| Sample of S-SOM | IFl (I) [a.u.] |
IFl (II) [a.u.] |
IFl (I)/IFl (II) |
|---|---|---|---|
| S1 | 39.5 | 26.8 | 1.47 |
| S2 | 54.5 | n.d | - |
| S3 | 35.5 | 19.9 | 1.78 |
| S4 | 31.5 | 24.7 | 1.27 |
| S5 | 29.6 | 25.1 | 1.17 |
| S6 | 40.0 | 25.6 | 1.56 |
n.d: non detected.
