Table 2. Several Measures of Inhibition for 1 M H2NSO3H’s Corrosive Effects on C-Steel at Various Concentrations, Both with and without P.cubebaOE.
C., ppm | kcorr, mg cm–2 min–1 | % IE |
---|---|---|
50 | 0.0203 | 85.6 |
100 | 0.0025 | 87.7 |
150 | 0.0020 | 89.7 |
200 | 0.0016 | 92.0 |
250 | 0.0012 | 93.8 |
300 | 0.00083 | 96.0 |