Rust Remover Redox reactions

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2 total messages Started by Jim Tue, 21 Jul 1998 00:00

#153

Author: Jim
Date: Tue, 21 Jul 1998 00:00

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This should be easy but I am having trouble making an at-home rust-remover....I 
want to remove rust (Fe2O3) and I think the way to do it is to reduce the iron 
oxide back to iron by adding the 2 electrons that were stolen during the 
oxidation of the FE....ok ...so how would you do this, have you tried this, and 
what chemicals would I need....thanks.. (dang, this should be easy...but I 
can't figure it out.)

Re: Rust Remover Redox reactions

#154

Author: Mfoster954
Date: Thu, 30 Jul 1998 00:00

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I wouldn't think that you would want to reduce the Fe+3 to iron, instead you
would want to tie up the iron ion in some form of soluble complex.  Check a
chem book to find complex ions containing Fe (I think oxalate will form a
complex ion with Fe ).  If that is the case oxalic acid should be a good
ingredient since the oxalate ion will tie up the Fe+3 ion while the H+ ions
will react with the Oxide ions turning them into water.

Mike Foster
Chem Teacher
Baker HS, Baldwinsville, NY

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