The Development of a Mathematical Model for the Prediction of Corrosion Rate Behaviour for Mild Steel in 0.5 M Sulphuric Acid

Table 4

Factorial design of the corrosion rate.

Factors	Low level	High level
Temperature (𝐴)	30°C	70°C
Inhibitor (𝐵)	0	10% v/v
Time (𝐶)	45 minutes	270 minutes