Table 1 EDS results for gold earring.
Analysis area | Composition (wt%) | Composition (at%) | ||||
|---|---|---|---|---|---|---|
Au | Ag | Cu | Au | Ag | Cu | |
Area 1 (n = 3, Fig. 4b) | 98.5 ± 0.1 | 1.5 ± 0.1 | 97.3 ± 0.1 | 2.7 ± 0.1 | ||
Area 2 (n = 3, Fig. 4b) | 97.9 ± 0.2 | 2.1 ± 0.2 | 96.2 ± 0.4 | 3.8 ± 0.4 | ||
Joint (axle + crescent, n = 3, Fig. 4c) | 76.6 ± 6.9 | 18.4 ± 5.4 | 4.9 ± 1.5 | 61.4 ± 9.4 | 26.5 ± 6.4 | 12.1 ± 3.1 |
Area 3 (n = 3, Fig. 4d) | 98.4 ± 0.0 | 1.6 ± 0.1 | 97.1 ± 0.1 | 2.9 ± 0.1 | ||
Area 4 (n = 3, Fig. 5a) | 98.8 ± 0.1 | 1.2 ± 0.1 | 97.8 ± 0.3 | 2.2 ± 0.3 | ||
Area 5 (n = 3, Fig. 5a) | 98.7 ± 0.2 | 1.3 ± 0.2 | 97.6 ± 0.3 | 2.4 ± 0.3 | ||
Joint (4 + 5, n = 3, Fig. 5a) | 98.2 ± 0.3 | 1.8 ± 0.3 | 96.8 ± 0.5 | 3.2 ± 0.5 | ||
Area 6 (n = 3, Fig. 5b) | 98.8 ± 0.2 | 1.2 ± 0.2 | 97.8 ± 0.3 | 2.2 ± 0.3 | ||
Area 7 (n = 3, Fig. 5b) | 97.8 ± 0.4 | 1.2 ± 0.2 | 0.9 ± 0.2 | 95.1 ± 0.8 | 2.2 ± 0.3 | 2.7 ± 0.5 |
Joint (6 + 7, n = 3, Fig. 5b) | 96.3 ± 1.9 | 1.9 ± 1.1 | 1.7 ± 0.9 | 91.6 ± 4.1 | 3.3 ± 1.8 | 5.1 ± 2.4 |
Area 8 (n = 3, Fig. 5a) | 98.6 ± 0.1 | 1.4 ± 0.1 | 97.4 ± 0.3 | 2.6 ± 0.3 | ||
Area 9 (n = 3, Fig. 5a) | 98.3 ± 0.8 | 1.7 ± 0.8 | 97.0 ± 1.5 | 3.0 ± 1.5 | ||
Joint (8 + 9, n = 3, Fig. 5a) | 87.0 ± 2.5 | 8.3 ± 2.8 | 4.7 ± 0.4 | 74.5 ± 3.2 | 13.0 ± 4.2 | 12.5 ± 1.2 |
Area 10 (n = 5, Fig. 5b) | 86.8 ± 4.0 | 8.9 ± 3.1 | 4.3 ± 0.9 | 74.8 ± 6.3 | 14.1 ± 4.0 | 11.2 ± 2.4 |
Area 11 (n = 3, Fig. 5b) | 98.5 ± 0.2 | 1.5 ± 0.2 | 97.3 ± 0.3 | 2.7 ± 0.3 | ||
Joint (10 + 11, n = 6, Fig. 5b) | 83.7 ± 4.9 | 11.2 ± 3.5 | 5.1 ± 1.8 | 70.1 ± 7.6 | 16.8 ± 4.7 | 13.1 ± 3.9 |
