why does salt affect the speed of rust???

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scotta740
Posts: 17
Joined: Tue Sep 04, 2007 11:03 am

why does salt affect the speed of rust???

Post by scotta740 »

I need to know why does salt affect the speed of rust for my science fair project please. :) :) :)
Scott A.
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Craig_Bridge
Former Expert
Posts: 1297
Joined: Mon Oct 16, 2006 11:47 am

Post by Craig_Bridge »

What grade are you in? Have you had any chemistry yet?

Try doing some research on "cathodic protection". In other words look at what it takes to slow down or prevent the process and see if you can figure it out from that perspective.
-Craig
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staryl13
Former Expert
Posts: 404
Joined: Tue Sep 18, 2007 3:27 pm
Occupation: Research Assistant
Project Question: Neuroregeneration
Project Due Date: N/A
Project Status: Not applicable

Post by staryl13 »

Hi Scott!
Check out the following link- it explains why salt water might induce rusting.
http://www.metalwebnews.com/howto/rust/rust.html
Hope it helped, good luck!
"There is a single light of science, and to brighten it anywhere is to brighten it everywhere." -Isaac Asimov
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