Platinum-group elements fractionation by selective complexing, the Os, Ir, Ru, Rh-arsenide-sulfide systems above 1020° C

HM Helmy, A Bragagni - Geochimica et Cosmochimica Acta, 2017 - Elsevier
The platinum-group element (PGE) contents in magmatic ores and rocks are normally in the
low μg/g (even in the ng/g) level, yet they form discrete platinum-group mineral (PGM) …