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<p>[QUOTE=&quot;-jeffB, post: 1933047, member: 27832&quot;]If you&#039;re diluting the nitric acid and keeping it cool, you&#039;re mostly producing nitric oxide (NO), not nitrogen dioxide (NO2). That improves your efficiency -- you only need four moles of HNO3 for every three moles of Ag, instead of two-for-one. That means your 50ml of concentrate, representing 1/2 mole, can dissolve up to 3/8 mole of silver, or about 1.3 troy ounces.</p><p><br /></p><p>If you think you&#039;re converting more than 1.3 troy ounces of silver to silver nitrate starting from 50 ml of concentrated nitric acid, you&#039;re mistaken. Either you&#039;re using more nitric acid than you think, or you&#039;re dissolving less silver than you think. You can make all the videos you want, but you can&#039;t violate conservation of mass.[/QUOTE]</p><p><br /></p>

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