SMB gold drop after platinum drop

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solarsmith

Well-known member
Joined
Feb 7, 2008
Messages
207
Location
denver co
did the platinum drop 2 days ago. did the platinum filter 1 day ago. did the SMB drop 2 hrs ago.
used aprox 3 oz of smb . This picture is 2 hrs after the addition of the SMB. PART_1502600487748_KIMG0867.jpg I expect to be cleaning the excess smb with water the next few days.
 
Best to reduce the gold first, reoxidize with peroxide, then boil to decompose any Pd(IV) to Pd(II). Then precipitate the Pt before going after Pd.
 
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