C - Chemistry – Metallurgy – 23 – F
Patent
C - Chemistry, Metallurgy
23
F
C23F 11/18 (2006.01) C23F 11/04 (2006.01)
Patent
CA 2253679
Pour éviter la corrosion des aciers inoxydables en milieu acide organosulfonique, on ajoute au milieu au moins un oxydant choisi parmi les sels ou oxydes de cérium (IV), fer (III), molybdène (VI) ou vanadium (V), les nitrites et les persulfates, en une quantité suffisante pour placer le potentiel spontané entre les potentiels de passivité et de transpassivation.
Goudiakas Jean
Rousseau Guy
Elf Atochem S.a.
Robic
LandOfFree
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