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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 Spex
  • Matrix Base Oil 20
  • Concentration 20 µg/g
  • Brand Spex
  • Matrix Base Oil 20
  • Concentration 100 µg/g
  • Brand Spex
  • Matrix Base Oil 20
  • Concentration 750 µg/g (750 ppm)
  • Brand Spex
  • Matrix Base Oil 20
  • Concentration 500 µg/g (500 ppm)
  • Brand Spex
  • Matrix Base Oil 20
  • Concentration 15 µg/g
  • Brand Spex
  • Matrix Base Oil 20
  • Concentration 10 µg/g
  • Brand Spex
  • Matrix Toluene
  • Concentration 5,000 µg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Brand HPS
  • Matrix H2O
  • Concentration 100 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
  • Brand HPS
  • Matrix H2O
  • Concentration 40 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
  • Brand HPS
  • Matrix H2O
  • Concentration 30 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
  • Brand HPS
  • Matrix H2O
  • Concentration 20 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
  • Brand HPS
  • Matrix H2O
  • Concentration 10 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
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