Table 2 SEM–EDS spot scanning results of sample 2, area 2 (Wt%, normalized to 100%)
Sample | Area | Spot | Metal elements (wt%) | ||
|---|---|---|---|---|---|
Au | Ag | Sn | |||
2 | 2 | 267 | 95.9 | 3.33 | 0.77 |
268 | 95.99 | 3.27 | 0.74 | ||
269 | 95.61 | 3.34 | 1.05 | ||
270 | 95.55 | 3.15 | 1.31 | ||
273 | 95.8 | 2.99 | 1.21 | ||
274 | 93.03 | 2.29 | 4.68 | ||
275 | 95.4 | 3.31 | 1.29 | ||