jcheney2000 Posted January 6, 2007 Share Posted January 6, 2007 Any one have a process to make aqua regia from these two items. I can't seem to get the KNO3 to go into solution. Link to comment Share on other sites More sharing options...
woelen Posted January 6, 2007 Share Posted January 6, 2007 Make a very fine powder of the KNO3 and add that to the acid and heat a little bit. Part of it will dissolve and your white solid, which does not dissolve is not only KNO3, it also is KCl. This mechanism works somewhat better with NaNO3. NaCl is really insoluble in conc. HCl and if the NaNO3 is very finely powdered, then most of the nitrate ions is replaced by chloride ions in the solid, but also here, part of the nitrate does not go into solution. Link to comment Share on other sites More sharing options...
Y-S Posted January 6, 2007 Share Posted January 6, 2007 ^^^^ daymn, you know science well Link to comment Share on other sites More sharing options...
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