Element Weight % Atomic % Net Int. Error %
O 11.77 28.4 46.45 12.1
Cl 24.03 26.16 363.44 4.4
Cu 49.79 30.25 187.71 3.58
Zn 8.12 4.8 25.05 14.1
Na 5.92 9.94 23.16 14.58
0.37 0.45 5.76 40.02
Table 5: Elemental analysis of brass surface in sulfide polluted 3.5% NaCl.