Research Article
Bee Wax Propolis Extract as Eco-Friendly Corrosion Inhibitors for 304SS in Sulfuric Acid
Table 2
The potentiodynamic polarization data of 304SS in the sulfuric acid 0.5 M without and with inhibitor at temperature variations.
| | Concentration of inhibitor (ppm) | Temperature (K) | (V/dec) | (V/dec) | (V) | (A/cm2) | IE (%) |
| | 0 | 298 | 0.059 | −7.958 | −0.286 | 2.19 × 10−5 | — | | 308 | 0.057 | −0.739 | −0.297 | 7.12 × 10−5 | — | | 318 | 0.051 | −0.106 | −0.387 | 1.75 × 10−3 | — | | 328 | 0.148 | 0.342 | −0.339 | 4.04 × 10−3 | — |
| | 2000 | 298 | 0.103 | 0.172 | −0.001 | 5.93 × 10−7 | 97.29 | | 308 | 0.052 | −0.186 | −0.233 | 1.37 × 10−5 | 80.73 | | 318 | 0.036 | 0.097 | −0.324 | 0.60 × 10−3 | 65.48 | | 328 | 0.101 | 1.399 | −0.353 | 2.77 × 10−3 | 31.29 |
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