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Topic: aqua regia question  (Read 4105 times)

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Offline Frater EIE

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aqua regia question
« on: March 07, 2010, 01:04:27 PM »
Is it possible to make aqua regia, or nitro-hydrochloric acid, with either an azeotrope of nitric acid or red fuming nitric acid?
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Offline skyjumper

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Re: aqua regia question
« Reply #1 on: March 07, 2010, 01:35:01 PM »
you should with red fuming.
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Offline Frater EIE

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Re: aqua regia question
« Reply #2 on: March 07, 2010, 02:30:30 PM »
I think the red fuming is out actually. Too expensive for too little of a quantity. Is it possible with the azeotrope (65%-68% nitric acid)? If so, what quality of hydrochloric should I get?

Thanks
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Offline skyjumper

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Re: aqua regia question
« Reply #3 on: March 07, 2010, 03:37:00 PM »
Well, Conc. Nitric is 68-70% (wiki) red fuming is like 70+ (with additives) nitric (wiki)

Aqua Regia is just a 1:3 ratio of Conc. nitric and HCl. The 65-68%nitric you spoke of would work fine.
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Offline BluRay

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Re: aqua regia question
« Reply #4 on: March 08, 2010, 04:49:55 PM »
...even because HCl is in water solution (more water than acid).  ;)
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