Table 1 Weight loss test results of MS following 6 h immersion in 5% HCl solution in the absence and occurrence of diverse concentrations of expired Ampicillin drug at varying temperatures.
From: Corrosion inhibition of mild steel in hydrochloric acid solution by the expired Ampicillin drug
C (mM) | 25 °C | 35 °C | 45 °C | 55 °C | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ν (mpy) | θ | %ηw | ν (mpy) | θ | %ηw | ν (mpy) | θ | %ηw | ν (mpy) | θ | %ηw | |
0 | 69.12 ± 1.6 | – | – | 156.37 ± 5.2 | – | – | 526.8 ± 14.8 | – | – | 2342.3 ± 32.9 | – | – |
0.01 | 22.14 ± 0.3 | 0.679 | 67.9 | 45.63 ± 1.2 | 0.708 | 70.8 | 141.6 ± 4.3 | 0.731 | 73.1 | 82.5 ± 11.3 | 0.964 | 96.4 |
1 | 20.13 ± 0.2 | 0.708 | 70.8 | 40.94 ± 1.1 | 0.738 | 73.8 | 122.8 ± 4.1 | 0.766 | 76.6 | 73.1 ± 10.3 | 0.968 | 96.8 |
10 | 17.44 ± 0.2 | 0.747 | 74.7 | 36.24 ± 0.7 | 0.768 | 76.8 | 97.9 ± 2.3 | 0.814 | 81.4 | 72.5 ± 7.6 | 0.969 | 96.9 |
20 | 16.77 ± 0.1 | 0.757 | 75.7 | 34.89 ± 0.5 | 0.776 | 77.6 | 84.5 ± 1.1 | 0.839 | 83.9 | 75.1 ± 5.5 | 0.967 | 96.7 |
