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<p>[QUOTE=&quot;SILVER REFINING 101, post: 1932967, member: 71185&quot;]I will change none of my figures. I dilute that concentrate. The No2 fumes are also short lived and only last a few minutes. The reaction is still going on long after the red No2 fumes has stopped.&nbsp;&nbsp; I know what I get and do it weekly. I dilute the nitric acid for an example say 50 ml nitric acid to 50 ml distilled water and this 50 ml will disolve easily 7-8 oz of silver. Do it all the time. One other thing you need to understand as well is different thickness of silver disolve at different rates and your little math lesson means nothing there are many variables and your totals are way off for the way I do it.&nbsp; I am not using straight nitric acid and I am heating it as it disolves. To give you another example yesterday I took 11 oz of sterling silver scrap cut it up in small pieces. I mixed&nbsp; 150 ml of distilled water with 150 ml of 70% nitric acid put it on a hot plate and every bit of that silver was disolved within 1 hr. I did the same thing again tonight now do the math that is 22 oz and only half a pint. Now after completion of the refining process that is around 20 oz of pure .999 silver[/QUOTE]</p><p><br /></p>

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