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

Heritage Science

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

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