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i have had some experience using resins from lewatitt specifically tp214 which absorbs only gold an silver, once the resin is fully charged it is roasted and burn away leaving just the metals behind. i found it not to be too expensive and it can be used with a number of different leaching processes, i used it with cyanide and with AR respectively with great success, there are a number of different resins that they supply and even to remove iron and copper which then made precipitation a lot easier.

[QUOTE="4nines, post: 141645, member: 25162"] i have had some experience using resins from lewatitt specifically tp214 which absorbs only gold an silver, once the resin is fully charged it is roasted and burn away leaving just the metals behind. i found it not to be too expensive and it can be used with a number of different leaching processes, i used it with cyanide and with AR respectively with great success, there are a number of different resins that they supply and even to remove iron and copper which then made precipitation a lot easier. [/QUOTE]

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