Table 7.

Weight percent of the elements present in the AA6061 alloy after a 3-h exposure in 1.0 M H₂SO₄.

Spectrum	Weight %
	C	O	Mg	Al	Si	S	Total
Without attack	–	–	1.02	98.98	–	–	100
Blank	–	6.17	0.9	91.83	0.64	0.46	100
PImC12	8.28	5.01	0.76	85.3	0.66	–	100
PImC8	4.83	2.77	0.78	91.12	0.51	–	100
PImC4	9.42	3.52	0.74	85.67	0.65	–	100