Table 4.
Corrosion Agent | Days of Immersion (Days) |
Original Weight (g) |
Final Weight (g) |
Weight Change (g) |
Change in Percentage (%) |
---|---|---|---|---|---|
Sulphuric acid | 5 | 1.368 | 1.355 | −0.013 | −0.950 |
Sulphuric acid | 10 | 1.355 | 1.326 | −0.029 | −2.140 |
Sodium hydroxide | 5 | 1.388 | 1.346 | −0.042 | −3.026 |
Sodium hydroxide | 10 | 1.237 | 1.173 | −0.064 | −5.174 |
3.5% Sodium chloride solution | 5 | 1.315 | 1.318 | 0.003 | 0.228 |
3.5% Sodium chloride solution | 10 | 1.344 | 1.342 | −0.002 | −0.149 |