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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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5,991 Items found

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SKU: 61-0003

B. subtilis

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: 61-00029

S. enterica abony

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
  • Top rated
SKU: 60-BIG-MIX-2000

Volatile Organics Mix with 60 Certified Components, 2,000 µg/mL

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  • Brand Spex
  • Matrix Methanol-P&T
  • Concentration 2,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
SKU: 60-BIG-MIX-200

Volatile Organics Mix with 60 Certified Components, 200 µg/mL

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  • Brand Spex
  • Matrix Methanol-P&T
  • Concentration 200 µg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
SKU: 60-BIG-MIX

Volatile Organics Mix with 60 Certified Components, 1,000 µg/mL

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  • Brand Spex
  • Matrix Methanol-P&T
  • Concentration 1,000 µg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
SKU: 604-A

Demeton O

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
  • Top rated
SKU: 603-XM

Acrolein and Acrylonitrile Standards

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  • Brand Spex
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Concentration 2,000 μg/mL
  • Matrix Methanol-P&T
  • Raw Material >95% min; as available
  • Top rated
SKU: 603-M-10K

Acrolein and Acrylonitrile Standards, 10,000 µg/mL

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  • Brand Spex
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Concentration 10,000 µg/mL
  • Matrix Methanol-P&T
  • Raw Material >95% min; as available
SKU: 5M7-4

Boron at 5,000 µg/mL in H2O

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  • Brand HPS
  • Matrix H2O
  • Concentration 5,000 µg/mL
  • Measured Impurities 67 elements to ppb (product)
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: 5M65-1

Vanadium at 5,000 µg/mL in 5% HNO3

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  • Brand HPS
  • Matrix 5% HNO3
  • Concentration 5,000 µg/mL
  • Measured Impurities 67 elements to ppb (product)
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: 572-M

Parathion methyl

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 572-HA

Parathion methyl

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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