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<p>[QUOTE=&quot;Curtis, post: 24898880, member: 26430&quot;]These aren&#039;t secret methods. Using sodium carbonates to treat so-called &quot;bronze disease&quot; has been common knowledge for generations. </p><p><br /></p><p>If you&#039;re skeptical and want to know what scientists have to say, you don&#039;t even need to go to the library or use a professional/scientific database. Literally just google it: Sodium Carbonate Treatment Bronze Disease. </p><p><br /></p><p>If you want scientific papers to appear higher in your results, add the word &quot;abstract&quot; in quotes to your search. (Note: Some results will discuss &quot;sodium sesquicarbonate,&quot; some &quot;sodium carbonate,&quot; some both. They&#039;re all relevant.) </p><p><br /></p><p>Or go to JSTOR.org and search &quot;bronze disease&quot; and &quot;sodium carbonate&quot; or &quot;sodium sesquicarbonate.&quot; </p><p><br /></p><p>It&#039;s not really reasonable in coin forum to demand that people back up their own personal experience (or [USER=10613]@Victor_Clark[/USER] &#039;s case, professional experience) with scientific standards of data collection or whatever. </p><p><br /></p><p>Especially since you&#039;re the one who works in the metals conservation field. If you have knowledge that this very well-known and widely practiced method doesn&#039;t work, by all means, please share. I&#039;m sure that would be useful information.[/QUOTE]</p><p><br /></p>

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