prosessing silver ore

Topic 3: Ore processing and metal recovery - SlideShare Heap leaching – processing oxidised or sulphide ore:Cyanide solutions react with gold and silver.Cyanide solutions do not react with oxide minerals.Cyanide solutions do react with sulphide minerals.If ore in the leach heap is contains oxide minerals or is oxidised, the process produces:• gold and silver complexes (which is the target ... Dummies Guide to EASY silver bullion refining at home as a ... I also use to do gold and silver assays of ores. and processing of gold and silver mill concentrates. Your 99.9 is close enough to sell to a refiner but gold and silver ingots need to be .999 fine One trick if your silver has a lot of base metals in it is to melt it with lead. DECLINING GOLD & SILVER ORE GRADES FOR DUMMIES So we can safety assume, Pan American Silver will be producing silver on average at a lower ore grade in the coming years regardless of the industry practice of processing .    Read More