Posted: 6/3/2008 11:26:07 AM EDT
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I need help removing aluminum oxide coating from aluminum dust. What is the most effective way of doing so? I have tried to do it with an 80/10/5/5 % by volume solution of phosphoric acid, water, acetic acid and nitric acid without success (lots of exothermic activity, bubbling and expanding blob, red phosphous gas. Any help would be appreciated. Thanks. |