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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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5,992 Items found

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  • Brand HPS
  • Matrix 10% HCl
  • Concentration 10,000 µg/mL
  • Measured Impurities 67 elements to ppb (product)
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
  • Brand HPS
  • Matrix 4% HNO3
  • Concentration 10,000 µg/mL
  • Measured Impurities 67 elements to ppb (product)
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
  • Brand NSI
  • Matrix P&T Methanol
  • Concentration 10 ug/mL
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
  • Brand NSI
  • Matrix P&T Methanol
  • Concentration 200 ug/mL
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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