what is your pgm concentrate worth? - saimm26 sep 2008 . attract as much as a 20% discount from the lme price whereas electroplating . also worked in gold, uranium, copper and antimony industry.
nsr-net-smelter-return.pdftage of the amount by which the copper price exceeds a . unit of antimony, arsenic or bismuth. for . copper (london metal exchange (lme) spot): $1.21/1b.
small scale copper elector-refinery - pyrometallurgy: roasting .main concept is to refine 97-98% grade copper anodes to 99.999 pure cathodes . the copper and then depositing arsenic, antimony sludge's (careful here - arsine!) . the aim of ew in this plant is not producing of copper lme grad a, but the.