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<p>[QUOTE=&quot;yakpoo, post: 6613393, member: 18157&quot;]I&#039;ve never dipped anything but have heard stories of folks doing it wrong. There&#039;s a technique that removes Sulphur tarnish without removing Silver that works pretty well. Set a silver object in a foil-lined dish, dissolve (1:16) baking soda into boiling water, then pour the solution into the foil-lined dish...submerging the object.</p><p><br /></p><p>The object must be in contact with the Aluminum for this electro-chemical reaction to work. The Silver Sulfide (Ag2S) separates, leaving the Silver. The Sulphur attaches to the Aluminum creating Aluminum Sulfide (Al2S3).</p><p><br /></p><p>Be sure to rinse the object in distilled water when finished. You may have to do this a few times to remove the heaviest tarnish.</p><p><br /></p><p><a href="http://blog.teachersource.com/2014/01/18/chemistry-of-tarnished-silver/" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://blog.teachersource.com/2014/01/18/chemistry-of-tarnished-silver/" rel="nofollow">http://blog.teachersource.com/2014/01/18/chemistry-of-tarnished-silver/</a></p><p><br /></p><p>I&#039;ve often thought something similar could be done to reverse Milk Spots, but I have no idea what compound a Milk Spot actually is. I&#039;m thinking Silver Chloride, but that&#039;s just a guess.[/QUOTE]</p><p><br /></p>

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