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how to recover gold from aqua regia solution in madagascar

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how to recover gold from aqua regia solution in madagascar

Sep 24 2017 · Is aqua regia pregnant with gold or not Gold Testing Gold testing is the main part of aqua regia process Now the question is this How to check gold in solution You can use stannous chloride for the gold test Simply take a pinch of stannous chloride and dissolve in water Take a drop of gold solution on filter paper piece and use stannous chloride solution on it If the color drop

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