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hexafluoroplatinate

n. (context chemistry English) The univalent anion PtF6- prepared by reacting platinum hexafluoride with certain metals or other elements.

Wikipedia
Hexafluoroplatinate

thumb|upright=0.75| Platinum hexafluoride, the building block of hexafluoroplatinates. A hexafluoroplatinate is a chemical compound which contains the hexafluoroplatinate (PtF) anion. It is produced by combining substances with platinum hexafluoride.