Table 3. Elemental XPS Analysis for Mild Steel Immersed in a 0.01 M NaCl Control Solution and a 0.01 M NaCl + 10 mM CTA-4OHcinn Solution for Different Times.

	oxygen %A	iron %A	carbon %A	nitrogen %A
control, 0.01 M NaCl after 45 min of immersion	39.1	7.4	53.5	0.0
0.01 NaCl + 10 mM CTA-4OHcinn solution after 15 min of immersion	15.0	0.8	81.2	2.3
0.01 NaCl + 10 mM CTA-4OHcinn solution after 45 min of immersion	11.5	0.0	84.1	1.9
0.01 NaCl + 10 mM CTA-4OHcinn solution after 2 h of immersion	10.9	0.0	84.7	1.1
0.01 NaCl + 10 mM CTA-4OHcinn solution after 24 h of immersion	12.1	0.6	83.5	1.9