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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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5,985 Items found

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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-12023

Unit Dose™ Salmonella enterica typhimurium (formerly #UD-14028)

  • CCL
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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: SDFS-BLK-Y

SULFUR BLANK IN #2 DIESEL FUEL

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  • Brand Spex
  • Matrix #2 DIESEL FUEL
  • Concentration 0 µg/g
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SKU: SDFS-750-Y

SULFUR IN #2 DIESEL FUEL 750PPM (100 mL)

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  • Brand Spex
  • Matrix #2 DIESEL FUEL
  • Concentration 750PPM
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SKU: SDFS-5-Y

SULFUR IN #2 DIESEL FUEL 5 PPM (100 g)

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  • Brand Spex
  • Matrix #2 DIESEL FUEL
  • Concentration 5 PPM
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