Copper mixed with pgm in solution

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Slaughlin79

Well-known member
Joined
Dec 25, 2017
Messages
84
Location
Southeast,Texas
Is the only way to separate without dropping the copper with platinum besides electrolysis? I poured my ammonium chloride in solution and platinum dropped and I waited for it to settle and when I went back there is a line green precipitate about a half inch thick layered on top of the platinum. I’ve researched trying to find a way but can only find electrolysis.
 
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