Table 4 Elemental composition of wood samples (Weight/%)
From: Characterization of degradation and iron deposits of the wood of Nanhai I shipwreck
Sample | C | H | O | N | S | O/C |
|---|---|---|---|---|---|---|
K2NH-1 | 49.5 | 5.0 | 38.3 | 0.5 | 6.7 | 0.774 |
K2NH-2 | 52.5 | 5.6 | 37.6 | 0.4 | 3.9 | 0.716 |
K2NH-8 | 45.8 | 5.1 | 40.7 | 0.7 | 7.7 | 0.889 |
K2NH-10 | 43.6 | 5.4 | 47.5 | 0.4 | 3.1 | 1.089 |
K2NH-11 | 42.9 | 4.5 | 44.1 | 0.4 | 7.9 | 1.028 |
K2NH-13 | 55.8 | 4.7 | 34.5 | 0.5 | 4.6 | 0.618 |
Sound pine wood | 49.9 | 6.3 | 42.9 | 1.0 | 0.2 | 0.860 |