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Report No.

Computer simulation of oxidation behavior of vanadium ion in nitric acid solution using chemical reaction calculation model

Igarashi, Takahiro  ; Irisawa, Eriko ; Kato, Chiaki   ; Ueno, Fumiyoshi  ; Abe, Hitoshi 

It is known that existence of oxidizing metal ion in boiling nitric acid solution makes stainless steel more corrosive. In this study, in order to elucidate chemical species which promote oxidization of Vanadium(IV) ion, we conducted Redox reaction simulation in nitric acid solution using chemical reaction model. The results showed that nitrous acid and nitrogen dioxide affected oxidization of Vanadium(IV) ion, and rate constant of nitrogen dioxide was larger than that of nitrous acid.



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