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XPS Surface compositions of silk fabric dyed with sappanwood extracts and different mordants.
| Sample/Mordant | Elements composition (%) | ||||||
|---|---|---|---|---|---|---|---|
| C (%) | O (%) | N (%) | Al (%) | Fe (%) | Sn (%) | Cu (%) | |
| Sappanwood | 77.05 | 18.28 | 4.66 | – | – | – | – |
| Sappanwood/K,Al(SO4)2 | 76.28 | 21.14 | 1.53 | 1.04 | – | – | – |
| Sappanwood/FeSO4 | 74.21 | 22.77 | 2.17 | – | 0.85 | – | – |
| Sappanwood/SnCl4 | 73.18 | 20.34 | 6.12 | – | – | 0.36 | – |
| Sappanwood/CuSO4 | 73.66 | 20.62 | 4.63 | – | – | – | 1.09 |
