Table 7.

Equivalent circuit element values for PPS immersed 36 and 78 days in BSW.

Immersion Time	Rs Ω·cm2	CPE		Rct Ω·cm2	Rext Ω·cm2	Cext µF/cm2	W Ss1/2/cm2	103·× χ2	εz
		Q Ssn/cm2	n
36 days	315.40	Cdl = 1.73 µF/cm2		176.50	266.90	0.022	5.96 10-3	4.13	6.43
78 days	385.70	6.63 × 10−3	0.732	145.80	184.60	0.267	6.42 10-3	1.75	2.64