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Table 2 SEM EDS image of the sample at × 530 magnification with marked measurement points and the chemical composition of the samples at individual measurement points

From: A practical hybrid approach to the problem of surveying a working historical bell considering innovative measurement methods

 

Measurement point number

Element

% of atomic mass

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1

Cu

21.43

C

70.36

Sn

1.77

O

6.44

2

Cu

28.54

C

6.34

Sn

57.87

O

7.25

3

Cu

24.76

C

64.84

Sn

6.37

O

3.84

Sb

0.19

4

Cu

28.88

C

63.68

S

7.44

5

Zn

24.46

C

57.29

S

13.12

Cu

2.88

O

2.25