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Freshly prepared aqua regia to remove metal salt deposits
Freshly prepared aqua regia to remove metal salt deposits
Freshly prepared aqua regia is colorless, but it turns orange within seconds. Here, fresh aqua regia has been added to these NMR tubes to remove all t
Freshly prepared aqua regia is colorless, but it turns orange within seconds. Here, fresh aqua regia has been added to these NMR tubes to remove all traces of organic material.
Pure gold precipitate produced by the aqua regia chemical refining process
Pure gold precipitate produced by the aqua regia chemical refining process
Initial state of the transformation.
Initial state of the transformation.
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Hydrochloric acid
Hydrochloric acid
30% Hydrochloric acid
30% Hydrochloric acid