Long-chain n-alkylisoquinolinium compounds are very good inhibitors of the corrosion of steel by sulphuric, hydrochloric and hydrobromic acids, giving up to 99% protection in the best cases. It is suggested that their adsorption is aided by interaction between the π-electrons of the heterocyclic ring system and the metal surface.
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References
1.
JungermannE. (Ed.), ‘Cationic Surfactants’, 1970 (New York: Dekker)
2.
SmallH., J. Am. Chem. Soc., 1968, 90, 2217
3.
MeakinsR. J., J. appl. Chem., Land., 1963, 13, 339
4.
BlomgrenE., & BockrisJ.O'M., J. phys. Chem., 1959, 63, 1475
5.
IofaZ. A., LyakhovetskayaE. I., & SharifovK., Akad. nauk. SSSR Doklady, 1952, 84, 543
6.
MeakinsR. J., Br. Corros. J., 1971, 6, 111
7.
DamaskinB. B., PetriiO. A., & BatrakovV. V., ‘Adsorption of Organic Compounds on Electrodes’, 1971, p. 265 (New York & London: Plenum Press)
