Table 5.
Site | X-ray diffraction | Wavelength at 295 nm | Compounds derived from 3D fluorescence spectrum | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Grain size (nm) |
Relative crystallinity (%) |
OD value from ultraviolet spectrum | Fluorescence intensity at the maximum emission wavelength | Tyrosine-like protein | Tryptophan-like protein | Fulvic acid-like | Soluble microbial byproduct-like | Humic acid-like | Nitrobenzoxadiazole-like | Calcofluor white-like | |
Lanling | 125 | 1.35 | 1.14 | 28.28 | 6.41 | 6.39 | 13.14 | — | 33.78 | 51.88 | 52.51 |
Zhaodong | 98 | 0.7 | 1.02 | 20.53 | 1.74 | 2.85 | 9.32 | — | 31.77 | 52.37 | 50.07 |
Dumeng | 174 | 0.73 | 1.05 | 29.52 | 5.11 | 5.82 | 11.84 | 3.16 | 42.18 | — | 59.17 |
Zhaozhou | 130 | 0.69 | 1.21 | 25.74 | 7.78 | 5.84 | 11.62 | 6.45 | 34.33 | 57.91 | — |
Fuyu | 138 | 1.05 | 1.27 | 30.49 | 6.46 | 8.76 | 15.93 | — | 35.95 | 51.43 | 52.88 |
Mingshui | 111 | 1.98 | 1.37 | 22.57 | 4.23 | 5.63 | 10.4 | — | 25.7 | 41.3 | — |
| |||||||||||
Largest/lowest ratio | 1.41 | 2.71 | 1.34 | 1.49 | 4.5 | 3.07 | 1.71 | 2.04 | 1.64 | 1.4 | 1.18 |
Mean of pooled data | 129 (2.6) | 1.08 (0.5) | 1.18 (0.13) | 26.20 (3.98) | 5.29 (2.1) | 5.88 (1.9) | 12 (2.31) | 1.6 (2.69) | 33.95 (5.4) | 42.48 (21.5) | 35.77 (27.9) |