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Purifying gold and royal metals.
http://wiki.answers.com/Q/What_are_the_uses_of_aqu...
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Aqua Regia is sometimes used as a fish poison. However its main use is to kill off algae and other microbes in swimming pools.This is why you shouldn't swim right after adding it
http://wiki.answers.com/Q/What_is_aqua_regia_used_...
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It is used to purify royal metals like gold.
http://wiki.answers.com/Q/Why_aqua_regia_is_used_f...
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Aqua regia is used for testing metals and dissolving platinum as well as gold. Aqua regia is a highly corrosive yellow or red solution. Aqua regia was first discovered in the year
http://answers.ask.com/Sports/Other/what_is_aqua_r...
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