Coin Tarnish

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Coin Tarnish

Postby vanj510 » Sun Dec 09, 2007 8:37 pm

Can please tell me how long it will take for a coin to tarnish?

Van M
Posts: 3
Joined: Wed Nov 28, 2007 11:11 pm
Occupation: Student
Project Question: Which liquid will tarnish a coin the fastest?
Project Due Date: 1/25/08
Project Status: I am finished with my experiment and analyzing the data

Postby staryl13 » Sun Dec 09, 2007 8:52 pm

Hi Van
It really depends on the coin. If it is a copper coin, this link is pretty helpful- ... 31pg3.html
If you tell us more information about your project, we might be able to help you more, thanks!
"There is a single light of science, and to brighten it anywhere is to brighten it everywhere." -Isaac Asimov
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

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