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Analytical Reference Material

Organic, Inorganic, Microbiology & PT Reference Materials

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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9,385 Items found

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SKU: 775L

Enterococcus faecalis CRM

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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SKU: 775H

E. faecalis High CFU (1000-1500 CFU)

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  • Brand NSI
  • Matrix E. faecalis
  • Concentration 1000 - 2000cfu
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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SKU: 771

trans-Permethrin

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 76-M

Anthracene

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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  • Top rated
SKU: 76-BIG-MIX

Big-Mix - Base Neutral & Acid Combination Calibration Standards

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  • Brand Spex
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Matrix Methylene Chloride
  • Raw Material >95% min; as available
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SKU: 75-A

Acenapthylene

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 757-HA

Phosmet

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 757

Phosmet in Acetonitrile

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  • Brand NSI
  • Matrix Acetonitrile
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 751-A

Tilt™ (Mixed Isomers)

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  • Brand NSI
  • Matrix Acetonitrile
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 727-M

Famphur

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 727-HA

Famphur

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 727-A

Famphur

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