Research Article
The Development of a Mathematical Model for the Prediction of Corrosion Rate Behaviour for Mild Steel in 0.5 M Sulphuric Acid
Table 9
Comparison of the actual and the predicted result for mild steel using Grewia venusta.
| | Exp. no. | Temperature (°C) | Inhibitor (% v/v) | Time (mins) | Corrosion rate (mpy × 10−3) | Actual
| Predicted | Residual |
| | S11 | −1 | −1 | −1 | 59.65 | 58.58 | 1.07 | | S12 | +1 | −1 | −1 | 75.32 | 76.40 | −1.08 | | S13 | −1 | +1 | −1 | 26.48 | 28.62 | −2.14 | | S14 | +1 | +1 | −1 | 38.52 | 36.38 | 2.14 | | S15 | −1 | −1 | +1 | 43.63 | 44.71 | −1.08 | | S16 | +1 | −1 | +1 | 63.60 | 62.53 | 1.07 | | S17 | −1 | +1 | +1 | 6.73 | 4.60 | 2.13 | | S18 | +1 | +1 | +1 | 10.23 | 12.37 | −2.14 |
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