I came across this paragraph "Sulphuric acid is an example in which corrosion does not necessarily increase with increasing concentration. This acid is reducing at low and intermediate concentrations, but oxidising when concentrated"
I was wondering why? Thanks a lot!
Dear Dr. Nazrin Babashova ,
in my early work on corrosion, many years ago, I addressed this topic.
I suggest you to have a look at the following paper:
-“Effect of sulphides on corrosion of Cu–Ni–Fe–Mn alloy in sea water”
Pierluigi Traverso, A. M. Beccaria, G. Poggi
British Corrosion Journal 29(2):110-114 (1994)
Available on my RG profile at: https://www.researchgate.net/publication/272234961_Effect_of_sulphides_on_corrosion_of_Cu-Ni-Fe-Mn_alloy_in_sea_water
My best regards, Pierluigi Traverso (CNR-IAS-Genoa).
1. https://www.av.se/globalassets/filer/neg/sulphuric-hydrochloric-nitric-and-phosphoric-acids-2009-43.pdf
please read it, u get some answer
2.https://res.mdpi.com/d_attachment/processes/processes-08-01383/article_deploy/processes-08-01383-v3.pdf
Yes Nazrin Babashova , it is right to say that the sulphuric acid is an example in which corrosion does not necessarily increase with increasing concentration, since the oxidizing power increase when concentrated . Now with second statement it is not easy to be in agreement with its details since H2SO4 cannot act as reducing acid but can act as non- oxidizing acid at low and intermediate concentrations and act as oxidizing acid at higher concentrations. Hope above explanation is helpful and any feedback is welcome.
Best regards
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