Preliminary Study of Corrosion Status on Bronzes Excavated from Qin Dynasty Tombs at Xinfeng Town in China

Table 2

The content of composite element of samples (wt%).

							Element
Area	C	O	Cu	Sn	Pb	Ca	Si	Al	S	As	K	Fe	Mg	Ni	Cl	Na	P
Area-1	18	52.79	26.08		2.67	0.46
Area-2	19.17	31.19	18.46	22.35	7.15		1.25	0.42
Area-3	20.53	12.4			67.07
Area-4			83.63	16.37
Area-5	36.46	43.55	14.13		5.29		0.57
Area-6	27.48	26.67	3.74		42.11
Area-7			86.61	13.39
Area-8	8.69	5.86	54.28	31.17
Area-9		20.07	79.93
Area-10	16.61	6.08	57.82						19.5
Area-11	11.34	22.08	27.26	16.55	16.66					2.42					3.69
Area-12	26.07	4.77	69.16
Area-13	15.82	45.55			2.04		21.79	7.94			5.89					0.97
Area-14	23.24	34.74	5.99		24.49	1.47	4.43	2.11				1.57	0.63	1.34