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Nige Danton[_2_] Nige Danton[_2_] is offline
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Default making new copper look aged green

On Mon, 25 Jan 2010 17:04:01 -0800 (PST), ransley
wrote:

How do you get new copper to look naturaly aged green and stable,
Verdigris. I have used acids Hydrochloric, Hydroflouric, and find the
Verdigris is a top layer and sometimes bluer or darker green than
naturaly aged copper.


You might somthing of interest he

http://asuwlink.uwyo.edu/~metal/patinas.html

I've also tried fuming the copper in amonnia.
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Nige Danton
email: swop the obvious for g_m_a_i_l

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