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Premion® is Alfa Aesar’'s trademarked name for high purity precious metal compounds and pure elements. Premion® compounds include the following metals: Platinum (Pt), Palladium (Pd), Rhodium (Rh), Iridium (Ir), Ruthenium (Ru), Osmium (Os), Silver (Ag), and Gold (Au). The minimum purity for Premion® compounds is 99.95% (metals basis).

  • Potassium tetrabromoaurate(III) dihydrate, Premion®, 99.99% (metals basis), Au 33% min
  • Potassium tetrachloroaurate(III) hydrate, Premion®, 99.99% (metals basis), Au 49% min
  • Potassium tetrachloropalladate(II), Premion®, 99.99% (metals basis), Pd 32.2% min
  • Potassium tetrachloroplatinate(II), Premion®, 99.99% (metals basis), Pt 46.4% min
  • Rhodium(II) acetate, dimer, Premion®, 99.99% (metals basis), Rh 46.2% min
  • Rhodium(III) 2,4-pentanedionate, Premion®, 99.99% (metals basis), Rh 25.2% min
  • Rhodium(III) chloride hydrate, Premion®, 99.99% (metals basis)
  • Rhodium(III) oxide pentahydrate, Premion®, 99.99% (metals basis), Rh 59% min
  • Rhodium(III) sulfate tetrahydrate, Premion®, 99.99% (metals basis), Rh 35.9% min
  • Ruthenium(III) chloride hydrate, Premion®, 99.99% (metals basis)
  • Ruthenium(III) nitrosylacetate, Premion®, 99.99% (metals basis)
  • Ruthenium(III) nitrosylsulfate, Premion®, 99.99% (metals basis)
  • Ruthenium(IV) oxide, anhydrous, Premion®, 99.95% (metals basis), Ru 75.2% min
  • Ruthenium(IV) oxide, Electronic Grade, Premion®, 99.95% (metals basis), Ru typically 74%
  • Ruthenium(IV) oxide hydrate, Premion®, 99.99% (metals basis), Ru 54-60%
  • Silver bromide, Premion®, 99.998% (metals basis)
  • Silver chloride, Premion®, 99.997% (metals basis)
  • Silver iodide, Premion®, 99.999% (metals basis)
  • Silver nitrate, Premion®, 99.995% (metals basis), Ag 63% min
  • Silver nitrate, Premion®, 99.9995% (metals basis)
  • Silver sulfate, Premion®, 99.999% (metals basis)
  • Silver sulfate, Premion®, 99.99% (metals basis), Ag 68.9% min
  • Silver sulfide, Premion®, 99.995% (metals basis)
  • Sodium hexabromoosmate(IV), Premion®, 99.95% (metals basis), Os 26.1% min
  • Sodium hexabromorhodate(III) hydrate, Premion®, 99.99% (metals basis), Rh 11.4% min
  • Sodium tetrabromoaurate(III) hydrate, Premion®, 99.99% (metals basis)
  • Sodium tetrabromopalladate(II), Premion®, 99.95% (metals basis), Pd 22.0% min
  • Sodium tetrachloroaurate(III) dihydrate, Premion®, 99.99% (metals basis), Au 49-50%
  • Sodium tetrachloropalladate(II) hydrate, Premion®, 99.999% (metals basis), Pd 30% min
  • Sodium tetrachloroplatinate(II) hydrate, Premion®, 99.95% (metals basis), Pt 42.4% min
  • Sodium tetracyanoplatinate(II) hydrate, Premion®, 99.95% (metals basis), Pt 48.4% min
  • Tetraamminepalladium(II) bromide, Premion®, 99.95% (metals basis), Pd 31.3% min
  • Tetraammineplatinum(II) chloride monohydrate, Premion®, 99.995% (metals basis)
  • trans-Diamminedibromopalladium(II), Premion®, 99.99% (metals basis), Pd 34.7% min
  • trans-Dichlorobis(triphenylphosphine)palladium(II), Premion®, 99.95% (metals basis), Pd 14.7% min

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