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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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9,410 Items found

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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: 8040-B-PK

Phenolics Mix B for US EPA Method 8041, 2000 µg/mL (4 x 1 mL)

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  • Brand Spex
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SKU: 8020-A-PK

Mix A for GC/PID for US EPA Method 8021, 2000 µg/mL (4 x 1 mL)

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  • Brand Spex
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SKU: 8015-OX-PK

8015-OX Mix for US EPA Method 8015, 2000 µg/mL (4 x 1 mL)

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  • Brand Spex
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SKU: 8015B-I-PK

Internal Standard for US EPA Method 8015, 5,000 µg/mL (4 x 1 mL)

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  • Brand Spex
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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: 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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