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Abundances of Ru, Rh, Pd, Re, Os, Ir and Pt are reported in 11 high- and low-abundance reference materials (RMs) that are currently in use for platinum group element (PGE) analysis. Analytical data was obtained by isotope dilution ICP-MS using a simple on-line chromatographic column for analyte-matrix separation after high-pressure asher (HPA-S) digestion. It is demonstrated that certified concentrations...
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