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. 2021 Feb 3;11(11):6330–6345. doi: 10.1039/d0ra08587a

Fitting results for the EIS measurements of AA2024 performed in 3.5% NaCl with different additives.

Sample R s [Ω cm2] CPEox R 1 [Ω cm2] CPEdl R ct [kΩ cm2] R 3 [Ω cm2] L [kH cm−2]
Y [μΩ−1 cm−2 sn] n Y [μΩ−1 cm−2 sn] n
Blank 5.2 1362.1 0.87 185.1 86.3 0.90 0.26
Melamine 7.4 113.4 0.89 192.3 9.9 0.93 0.42
Ce 8.1 194.5 0.91 128.6 6.4 0.94 2.11 241.3 17.6
CMCP 8.9 121.5 0.93 201.5 5.2 0.95 2.58 521.1 22.7