Table 5.

Element content deduced from EDS of copper under 3.5 wt.% NaCl TEL.

	C (wt.%)	N (wt.%)	O (wt.%)	Cl (wt.%)	Cu (wt.%)
CuBTA	4.514	1.065	0.893	0.033	93.495
CuBTA after corrosion	4.273	1.024	1.063	0.056	93.483
Cu	0.049	0.076	1.158	0.076	98.841
Cu after corrosion	0.000	0.047	1.814	0.070	98.069