Scientific and technical analysis of lead-barium glaze dragonfly eye beads from the Late Warring States period in China

Heritage Science

Table 2 Elemental analysis results of the glaze layer of dragonfly eye beads (wt%)

Sample	Measured point	C	O	Mg	Al	Si	Cu	Ba	Pb	K	Ca	Fe	P
M176-1	Blue-1	17.30	40.91	0.22	1.06	17.61	3.03	7.82	12.06	\	\	\	\
M176-1	Blue-2	21.96	42.03	0.22	1.17	15.90	2.82	7.24	8.10	\	0.57	\	\
M176-2	Blue-1	6.78	37.34	0.23	0.96	13.48	2.32	7.91	28.97	\	1.16	\	0.85
M176-2	Blue-2	10.48	36.17	0.35	1.60	11.72	2.38	8.90	27.05	0.35	\	0.94	0.87
M176-3	Blue-1	11.85	44.62	0.42	1.57	19.25	2.57	7.14	9.70	\	1.09	0.83	0.95
M176-3	Blue-2	16.60	41.89	0.40	1.46	16.00	3.36	9.89	7.47	\	1.00	0.80	0.69
M176-4	Blue-1	\	41.79	0.38	1.58	14.86	1.32	6.35	29.66	0.16	1.62	0.64	1.64
M176-4	Blue-2	\	42.19	0.46	1.74	12.67	1.45	6.17	29.83	0.29	1.91	0.93	2.36
M176-5	Blue-1	8.76	41.71	0.22	1.02	16.89	3.22	7.61	17.56	\	1.34	0.54	1.14
M176-5	Blue-2	2.99	47.73	0.27	1.33	23.83	2.76	6.27	11.86	\	1.33	0.37	1.26