Table 1 Corrosion parameters obtained from weight loss (WL) measurements for X65-steel coupons after 6 h immersions in 1 M HCl adding different concentrations of di-imine-SB and without adding it at different temperatures.
Temperature ± 1 K | C (M) | 1 M HCl Medium | ||||
|---|---|---|---|---|---|---|
ΔW (g) | CR | Ɵ | IE (%) | |||
(g cm−2 h−1) | (g m−2 d−1) | |||||
298 | Blank | 0.7873 | 0.0069 | 1656 | – | – |
1 × 10–5 | 0.4286 | 0.0038 | 912 | 0.4556 | 45.56 | |
5 × 10–5 | 0.3300 | 0.0029 | 696 | 0.5808 | 58.08 | |
1 × 10–4 | 0.2229 | 0.0019 | 456 | 0.7168 | 71.68 | |
5 × 10–4 | 0.1435 | 0.0012 | 288 | 0.8177 | 81.77 | |
1 × 10–3 | 0.0649 | 0.0005 | 120 | 0.9175 | 91.75 | |
308 | Blank | 1.0718 | 0.0095 | 2280 | – | – |
1 × 10–5 | 0.5982 | 0.0053 | 1272 | 0.4419 | 44.19 | |
5 × 10–5 | 0.4689 | 0.0041 | 984 | 0.5625 | 56.25 | |
1 × 10–4 | 0.3181 | 0.0028 | 672 | 0.7032 | 70.32 | |
5 × 10–4 | 0.2260 | 0.0020 | 480 | 0.7891 | 78.91 | |
1 × 10–3 | 0.1659 | 0.0014 | 336 | 0.8452 | 84.52 | |
318 | Blank | 1.1868 | 0.0105 | 2520 | – | – |
1 × 10–5 | 0.6693 | 0.0059 | 1416 | 0.436 | 43.60 | |
5 × 10–5 | 0.5435 | 0.0048 | 1152 | 0.542 | 54.20 | |
1 × 10–4 | 0.3599 | 0.0031 | 744 | 0.6967 | 69.67 | |
5 × 10–4 | 0.2691 | 0.0023 | 552 | 0.7733 | 77.33 | |
1 × 10–3 | 0.2119 | 0.0018 | 432 | 0.8215 | 82.15 | |
328 | Blank | 1.2423 | 0.0110 | 2640 | – | – |
1 × 10–5 | 0.711 | 0.0063 | 1512 | 0.4277 | 42.77 | |
5 × 10–5 | 0.5839 | 0.0051 | 1224 | 0.5299 | 53.00 | |
1 × 10–4 | 0.3921 | 0.0034 | 816 | 0.6844 | 68.44 | |
5 × 10–4 | 0.3021 | 0.0026 | 624 | 0.7568 | 75.68 | |
1 × 10–3 | 0.2448 | 0.0021 | 504 | 0.8029 | 80.29 | |