SteakSauce Posted August 25, 2011 Report Share Posted August 25, 2011 Hi everybody, Im currently working on a copper collection technique for the precious metals.Basically, PM is fused using fire assay procedure with copper collector, into a copper button, and typical dissolution is carried out using aqua-regia to make it into a solution (the procedure is very similar to that of NiS collector technique). The problem arises on the measurement step. I get very strong Copper interferences (typically overlapping signals) on my ICP-OES instrument. I even do very close matrix matching to reduce the matrix as much as possible, and still no luck. the Internal standard I use is with 100µg/ml Indium (10% by Volume of 1000µg/ml added to the flasks). Could you please advise on what to do to reduce such interferences? Quote Link to comment Share on other sites More sharing options...
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