TY  - JOUR
AB  - The effect of oxalic acid (OA) on corrosion resistance of carbon steel in sulphuric acid pH=2.5‐6.0 solutions containing 10−7‐10−3M OA was investigated by means of potentiodynamic polarisation measurements and immersion tests. The results suggest that OA is a good corrosion inhibitor for carbon steel, exhibiting inhibition efficiencies (IE) ranging from 50 to 85 per cent in dilute 10−7‐10−5M OA solutions of pH>3.0, whereas for pH≤3.0 solutions, an increase in corrosion rate was found. Non‐accelerated experiments (weight loss tests) carried out by immersing carbon steel specimens into OA‐containing solutions during at least 6 h revealed only positive IE values, regardless of both solution pH and OA content. The results were explained considering the solution composition as function of pH.
VL  - 51
IS  - 2
SN  - 0003-5599
DO  - 10.1108/00035590410523193
UR  - https://doi.org/10.1108/00035590410523193
AU  - Giacomelli C.
AU  - Giacomelli F.C.
AU  - Baptista J.A.A.
AU  - Spinelli A.
PY  - 2004
Y1  - 2004/01/01
TI  - The effect of oxalic acid on the corrosion of carbon steel
T2  - Anti-Corrosion Methods and Materials
PB  - Emerald Group Publishing Limited
SP  - 105
EP  - 111
Y2  - 2024/04/25
ER  -