One of the simplest test for silver on these is to use a drop of nitric acid to dissolve the trace, then add a pinch of salt (NaCl).
If there is silver present, a white cloudy precipitate forms, silver chloride, which is not soluble in most things.
One of the simplest test for silver on these is to use a drop of nitric acid to dissolve the trace, then add a pinch of salt (NaCl).
If there is silver present, a white cloudy precipitate forms, silver chloride, which is not soluble in most things.
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