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