Table
Chemical composition and thickness of gold wires from the Freer Gallery's jade and gold assemblage. Wire locations are shown in figure 6.
|
Wire sample |
Thickness, mm |
Gold |
Silver |
Copper |
|
1. Original wires cut from chain (purple) |
||||
|
1 |
0.84 |
99.7 |
0.04 |
0.24 |
|
2 |
0.76 |
99.8 |
0.01 |
0.25 |
|
3 |
0.72 |
99.5 |
0.05 |
0.45 |
|
4 |
0.72 |
99.1 |
0.11 |
0.77 |
|
5 |
0.84 |
99.5 |
0.27 |
0.26 |
|
6 |
0.80 |
99.1 |
0.54 |
0.41 |
|
7 |
0.80 |
99.6 |
0.11 |
0.36 |
|
2. Wire added in 1968 conservation treatment (green) |
||||
|
1 |
0.88 |
99.8 |
0.00 |
0.23 |
|
3. Added wires, possibly late 1920s (blue) |
||||
|
1 |
1.02 |
96.6 |
3.73 |
0.00 |
|
2 |
1.06 |
96.9 |
3.18 |
0.00 |
|
4. Added wires, possibly late 1920s (red) |
||||
|
1 |
0.58 |
100.0 |
0.13 |
0.00 |
|
2 |
0.62 |
99.7 |
0.17 |
0.19 |