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<p>[QUOTE=&quot;cerdsalicious, post: 810769, member: 22135&quot;]I am well aware. I worked in construction for my dad back while I was in HS. Dealt with muriatic acid, sulfuric acid, nitric acid etc. you name msot acids and we dealt with it. And yes I know of its uses which is why I am just double checking that I dont need a license to purchase...</p><p>Also if i wanted to consfirm somehting is gold, couldnt I just cut the link in half and check visually? I mean I know what gold looks like, its largely plated on most objects and I have been using this method with no problems so far. Other than that I have the gold testing mahcine where you place the gold and it tells you what Karat it is...</p><p>But i do need something very simple and quick I can use without lugging that expensive machinery around. In all purposes I use at my store, so I would have to purchase a second unti, which makes this nitric acid testing seem like a golden nugget :kewl:[/QUOTE]</p><p><br /></p>

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