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Table 2 Elemental composition of the metal alloys

From: Unmasking a wild man: scientific analysis of Bertoldo di Giovanni’s Shield Bearer in The Frick Collection

Area analyzed

Collection

Cu

Sn

Zn

Pb

Sb

Ni

Fe

As

Ag

Body

 Average of 5 areas

Frick

83.60 ± 0.35

0.63 ± 0.04

12.40 ± 0.82

2.19 ± 0.39

0.43 ± 0.02

0.30 ± 0.01

0.20 ± 0.02

0.33 ± 0.03

0.08 ± 0.00

Rivet

 Under proper right foot

Frick

84.80

0.58

11.20

1.90

0.47

0.20

0.28

0.41

0.13

Rivet

 Under proper left foot

Frick

86.02

0.55

10.11

2.10

0.44

0.18

0.20

0.39

Shield

 Gilding-free area on the shield

Frick

82.32

3.69

5.90

5.46

0.71

0.55

0.79

0.43

0.10

Base

 Average of 3 areas

Frick

99.00 ± 0.62

0.03 ± 0.00

0.01 ± 0.00

0.13 ± 0.03

0.21 ± 0.27

0.02*

0.07 ± 0.03

0.26 ± 0.16

0.25*

Figure and shield

 Average of 6 areas measured by pXRF

Liechtenstein

84.86 ± 0.75

0.56 ± 0.15

11.75 ± 1.44

1.74 ± 1.00

0.38 ± 0.08

0.29 ± 0.02

0.19 ± 0.02

0.27 ± 0.05

0.07 ± 0.04

  1. *Ni and Ag were detected in one of the 3 areas analyzed, likely caused by an interference with the silver solder