Pitting of Iron in Dilute Caustic Soda Solutions Containing NaCl

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  • 食塩を含む希いか性ソーダ溶液中での鉄の孔食
  • ショクエン オ フクム マレイ カセイソーダ ヨウエキチュウ デ ノ テツ ノ

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Abstract

The electrochemical measurements were conducted to investigate pitting of iron in dilute caustic soda solutions containing NaCl at 95°C. The rupture potential and the protection potential were obtained as a function of NaCl concentration. The static potential was also determined, and it was located in the pitting region of the potential vs. NaCl concentration diagram, when the NaCl concentration was higher than 0.05M.

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