Research Article
Natural Polymer of Iraqi Apricot Tree Gum as a Novel Corrosion Inhibitor for Mild Steel in 1 M HCl Solution
Table 2
CR and inhibition efficiency (
%) of mild steel in 1 M HCl for various inhibitor concentrations at various temperatures.
| System/concentration | CR (mg/cm2·h) | Inhibition efficiency (%) | 17°C | 30°C | 40°C | 17°C | 30°C | 40°C |
| Blank | 5.744792 | 22.74479 | 43.625 | — | — | — | 0.1 g/L | 4.5 | 14.23438 | 16.49479 | 21.66818 | 37.41699 | 62.18959 | 0.2 g/L | 3.864583 | 13.30729 | 14.54688 | 32.72892 | 41.49302 | 66.65473 | 0.3 g/L | 3.791667 | 11.11979 | 11.51563 | 33.99819 | 51.1106 | 73.60315 |
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