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<p>[QUOTE=&quot;Oldhoopster, post: 8063108, member: 84179&quot;]Theoretically, I&#039;m sure it&#039;s possible, but I&#039;d suspect it would take a relatively long period of time for the solid zinc to diffuse into the copper lattice and form alpha brass.&nbsp; 420C isn&#039;t very hot.</p><p><br /></p><p>So I still think it&#039;s reasonable to say that you won&#039;t get a color change under real world conditions.</p><p><br /></p><p>Edit to add:&nbsp; copper cookware can exhibit heat tint and will lighten in reducing environments (poorly tuned combustion parameters from propane stoves seemed to be a culprit back in my days of working QA for a cookware company)&nbsp; However, the flame and/or electric burners are well above the melting point of zinc.&nbsp; I don&#039;t believe the low temps will induce heat tint, but I have no first hand knowledge and am open to be proven wrong.[/QUOTE]</p><p><br /></p>

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