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<p>[QUOTE=&quot;scoutshouse, post: 121850, member: 267&quot;]According to <a href="http://www.stebgo.com/blog-0-PreciousMetals/bid/66961/Old-School-Straight-Nitric-Acid-Testing" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.stebgo.com/blog-0-PreciousMetals/bid/66961/Old-School-Straight-Nitric-Acid-Testing" rel="nofollow">stebgo.com</a>, greige is not a bad test result: </p><p>10KY&nbsp; &nbsp;&nbsp; Brown Color</p><p>14KY&nbsp; &nbsp;&nbsp; Very Slight Brown Color</p><p>18KY+&nbsp;&nbsp; No Color Change</p><p>10KW&nbsp; &nbsp; Dark Brown, After 20 Seconds The Acid Starts To Fizz</p><p>14KW&nbsp; &nbsp; Slight Brown</p><p>18KW&nbsp; &nbsp; Faint Brown</p><p>Sterling Milky White/Gray[/QUOTE]</p><p><br /></p>

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