From: Improvement and integration: scientific analyses of willow-leaf shaped bronze swords excavated from the Shuangyuan Village Cemetery, Chengdu, China
ICP–MS
SRM981
Number
206Pb/204Pb
207Pb/204Pb
208Pb/204Pb
1
16.9436
15.4965
36.7190
2
16.9438
15.4942
36.7182
3
16.9425
15.4948
36.7287
[22]
16.9420
15.4960
36.7200
Analytical error (%)
0.086
0.085
0.039