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Explore the broadest selection of analytical reference materials and proficiency testing (PT) from the leading brands in certified and analytical reference materials: Spex, NSI, HPS, and Chiron.

Our harmonized product development and custom capabilities are tailored to bring you innovative products to help meet your unique application needs.

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5,917 Items found

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  • Brand NSI
  • Certification Gravimetric and/or Volumetric
  • Raw Material >95% min
  • Brand Chiron
  • Certification Single
  • Concentration 1000 ug base/mL
  • Matrix methanol
  • Brand NSI
  • Certification Gravimetric and/or Volumetric
  • Raw Material >95% min
  • Brand Chiron
  • Certification Single
  • Concentration 100 ug base/mL
  • Matrix methanol
  • Brand Chiron
  • Certification Single
  • Concentration neat
  • Matrix neat
  • Brand Chiron
  • Certification Single
  • Concentration 1000 ug/mL
  • Matrix methanol
  • Brand Chiron
  • Certification Single
  • Concentration neat
  • Matrix neat
  • Brand Chiron
  • Certification Single
  • Concentration neat
  • Matrix neat
  • Brand NSI
  • Certification Grav &/ Volumetric w/analytical confirmation
  • Raw Material >95% min; as available
  • Brand Chiron
  • Certification Single
  • Concentration neat
  • Matrix neat
  • Brand NSI
  • Certification Grav &/ Volumetric w/analytical confirmation
  • Concentration 100ug/mL
  • Matrix Acetonitrile
  • Raw Material >95% min; as available
  • Brand NSI
  • Certification Gravimetric and/or Volumetric
  • Raw Material >95% min
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