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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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6,011 Items found

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  • Brand Spex
  • Matrix Polyvinyl Chloride
  • Concentration 3,000 μg/g
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Brand Spex
  • Matrix Polyethylene
  • Concentration Blank
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Brand Spex
  • Matrix Medium Density Polyethylene
  • Concentration 3,000 μg/g
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Brand Spex
  • Matrix 10% HNO3
  • Concentration 5,000 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Brand Spex
  • Matrix 5% HNO3/tr. Tartaric Acid/tr. HF
  • Concentration 200 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Brand Spex
  • Matrix 5% HNO3/tr. Tartaric Acid/tr. HF
  • Concentration 120 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Brand HPS
  • Matrix 2% HNO3 & Tr HF
  • Concentration Multiple
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
  • Brand NSI
  • Certification Cultural based enumeration
  • Raw Material <2 passages from primary culture
  • Brand NSI
  • Matrix Edible
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
  • Brand NSI
  • Matrix Hemp Oil
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
  • Brand NSI
  • Matrix Hemp
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
  • Brand NSI
  • Matrix Hemp Oil
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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