Element
Weight %
Atomic %
Net Int.
Error %
C
52.99
74.73
72.58
11.3
N
5.77
11.65
4.87
28.76
O
13.33
14.11
29.71
13.86
Cl
10.38
4.96
168.45
3.57
Cu
21.12
5.63
71.8
5.24
Zn
2.17
0.56
6.04
28.48
Table 4:
Elemental analysis of brass surface in 250 ppm of SOTB in unpolluted 3.5% NaCl.
