. 2014 Aug 7;7(8):5711–5734. doi: 10.3390/ma7085711

Table 3.

Electrochemical parameters derived from polarization resistance tests on aluminum alloy AA6061 at 25 °C. CI, corrosion inhibitor.

CI	Concentration (ppm/µM)	0.1 M H₂SO₄		0.3 M H₂SO₄		0.7 M H₂SO₄		1.0 M H₂SO₄
CI	Concentration (ppm/µM)	R_p (Ohm·cm²)	−E_corr (mV)	R_p (Ω·cm²)	−E_corr (mV)	R_p (Ω·cm²)	−E_corr (mV)	R_p (Ω·cm²)	−E_corr (mV)
PImC₁₂	Blank materialAA6061	1,423	657	969	651	940	621	924	653
	10/0.16	2,270	658	1,340	647	1,288	639	970	636
	30/0.49	2,523	653	1,491	676	1,373	620	1,072	642
	75/1.24	3,334	650	1,952	660	1,543	644	1,203	659
	100/1.65	3,663	641	2,070	658	1,667	639	1,242	654
PImC₈	10/0.19	1,982	670	1,313	646	1,245	643	930	652
	30/0.58	2,260	647	1,405	655	1,345	646	1,013	650
	75/1.46	2,942	646	1,843	642	1,469	641	1,131	655
	100/1.95	3,052	642	2,003	639	1,543	644	1,176	659
PImC₄	10/0.31	1,889	657	1,283	669	1,240	666	929	618
	30/0.92	2,034	663	1,369	665	1,308	632	1,001	612
	75/2.32	2,495	646	1,679	665	1,434	643	1,074	623
	100/3.10	2,832	647	1,727	655	1,517	655	1,136	623