INHIBITION OF HNO$sub 3$-HF CORROSION OF TYPE 304-L STAINLESS STEEL WITH Al(NO$sub 3$)$sub 3$/center dot/9H$sub 2$O | Zendy

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INHIBITION OF HNO$sub 3$-HF CORROSION OF TYPE 304-L STAINLESS STEEL WITH Al(NO$sub 3$)$sub 3$/center dot/9H$sub 2$O

Author(s) -

W.L. Walker

Publication year - 1957

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/4195792

Subject(s) - hydrofluoric acid , nitric acid , corrosion , fluoride , nitrate , inorganic chemistry , aluminium , nuclear chemistry , materials science , metallurgy , chemistry , organic chemistry

To prevent corrosion of equipment by nitric acid hydrofluoric acid mixture, aluminum nitrate nonohydrate is added to tie up the fluoride, either as aluthinum fluoride or a tight complex. It was found that a solution of nitric acid, hydrofluoric acid, and aluthinum nitrate nonohydraie in which the hydrofluonic acid - aluminum nitrate nonohydrate molar ratio is 3, did not show serious corrosive attack on the 300-series stainless steel. (J.E.D.

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