After precipitation there is fine particles floating

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Bjc835

Member
Joined
Sep 26, 2014
Messages
6
After percipient, and a few hours later, there is fine brown particles floating on the surface. Is this gold, or should I just pour it off with the acid?
 
It is most likely gold deposited on the surface by tiny SO2 bubbles and are light enough to be held up by surface tension. Use a spray bottle with water to knock it loose from the surface and it will settle to the bottom.
 
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