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The state of platinum in pyrrhotite: X-ray absorption spectroscopy study and implications for the role of Fe sulphides as platinum carriers
Pyrrhotite Fe 1-x S is the main sulphide component of platinum group elements (PGEs) ores where it commonly contains from a few tenths to a few dozen ppm of disseminated Pt. Here we report an investigation of the state of Pt in synthetic pyrrhotite performed by X-ray absorption spectroscopy (XAS) in combination with theoretical spectra modelling. The pyrrhotite crystals were obtained by means of salt flux technique, using an eutectic mixture of alkali metal halides as a transport media.doi:10.1180/mgm.2021.76 fatcat:glyyv5klnbfkbmax6bln65voua