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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: UD-25922

Unit Dose™ Escherichia coli

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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SKU: UD-2275

Unit Dose™ Aspergillus brasiliensis

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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SKU: UD-12697

Unit Dose™ Enterococcus faecalis

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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SKU: UD-11288

Unit Dose™ Listeria innocua

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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SKU: UD-10231

Unit Dose™ Candida albicans

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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SKU: UD-10006

Unit Dose™ Enterobacter aerogenes

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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SKU: 51-0001k

USP 51 Sample Kit

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

Legionella pneumophila NCTC 11192 CRM

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  • Brand NSI
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SKU: 51-0012

E. coli NCTC 12923

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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SKU: 10006L

E. aerogenes

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  • Brand NSI
  • Certification Cultural based enumeration
  • Raw Material <2 passages from primary culture
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SKU: 1311

4-Methylstyrene

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  • Brand NSI
  • Certification Gravimetric and/or Volumetric
  • Raw Material >95% min
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SKU: 1286

Isobutylbenzene

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