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Comparison of electrochemical corrosion data for AISI 1020 carbon steel after 24 h of immersion packer fluid and glyoxal mixtures without and with 500 ppm of polyol phosphate. Influence of CO2.
| CO2 | Cinhibitor (ppm) | Ecorr (mVSCE) | icorr (μA cm−2) | ba (mV dec−1) | -bc (mV dec−1) |
|---|---|---|---|---|---|
| without | 0 | -736 ± 25 | 12.0 ± 2.8 | 70 ± 11 | 53 ± 11 |
| with | 0 | -674 ± 13 | 15.9 ± 0.8 | 42 ± 8 | 43 ± 7 |
| without | 500 | -758 ± 22 | 3.8 ± 0.9 | 109 ± 12 | 116 ± 11 |
| with | 500 | -752 ± 18 | 5.2 ± 0.5 | 72 ± 11 | 44 ± 2 |
