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Table 1 Elemental compositions of the corresponding spots in Fig. 7 shown in at.%

From: Characterizing the sealing materials of the merchant ship Nanhai I of the Southern Song Dynasty

Spot in Fig. 7 C O Na Mg Al Si S Cl K Ca Fe
1 21.44 59.18 0.03 1.16 0.12 0.25 0.20 17.51 0.11
2 43.49 44.42 0.11 0.51 0.08 0.04 1.12 0.07 0.05 9.61 0.51
3 20.47 55.68 0.26 0.41 0.22 0.52 0.93 0.05 0.22 20.63 0.62
4 26.63 56.60 0.20 0.67 0.11 0.22 0.13 15.33 0.11
5 28.02 22.04 0.78 2.76 4.31 21.41 0.10 2.19 18.40
6 26.66 46.44 0.46 2.78 20.74 2.91
7 20.58 56.79 0.44 0.33 0.04 0.33 0.46 0.23 20.36 0.44
8 20.54 57.69 0.24 0.11 0.69 0.12 20.60
9 27.42 55.48 0.73 0.90 0.42 0.93 0.73 0.04 13.35 0.01