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Analytical Technique

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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5,917 Items found

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SKU: 8270-AF-M-PK

PAH Mix for US EPA Method 8270, 2000 µg/mL (4 x 1 mL)

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  • Brand Spex
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SKU: 81-A

Indeno(1,2,3-c,d)pyrene

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 8167

Klebsiella, spp (NCTC 08167) (10 pack)

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  • Brand NSI
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SKU: 805-HA

Crotoxyphos

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 804-HA

Aspon

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 79-A

Phenanthrene

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 78-M

Fluorene

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 77-A

Benzo(g,h,i)perylene

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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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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SKU: 75-A

Acenapthylene

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