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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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5,991 Items found

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SKU: 54750-L

Methamidophos

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  • Brand NSI
  • Certification Gravimetric and/or Volumetric
  • Raw Material >95% min; as available
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SKU: 522L

2,4,5-TP (Silvex)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 515

PETN

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 1191WL

Herbicide Surrogate

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 114H

Pronamide

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 51720

Dacthal (DCPA dimethyl ester)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 11192

Legionella pneumophila NCTC 11192 CRM

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  • Brand NSI
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SKU: 1647-HA

Coumaphos in Hexane/Acetone

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 1145

1-Chloro-3-nitrobenzene

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 1024

p-Terphenyl

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: C-194WL

Pesticide Surrogates

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: 10662L

P. aeruginosa Low CFU Range (NCTC 12951)

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  • Brand NSI
  • Certification Cultural based enumeration
  • Raw Material <2 passages from primary culture
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