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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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9,385 Items found

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SKU: 94

Endosulfan II

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 936-A

Carbaryl in Acetone

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  • Brand NSI
  • Matrix Acetone
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 93

Endosulfan I

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 92

4,4'-DDD

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 91

4,4'-DDE

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 909

p-Terphenyl-d14

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric and/or Volumetric
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SKU: 9001L

E. coli

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  • Brand NSI
  • Certification Cultural based enumeration
  • Raw Material <2 passages from primary culture
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SKU: 9001

E. coli (NCTC 9001)

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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SKU: 9

1,2-Dichloroethane

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  • Brand NSI
  • Matrix Methanol-P&T
  • Concentration 2,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 89

Chlordane (Technical)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 88

Dieldrin

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 85

Trichloroethylene

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  • Brand NSI
  • Matrix Methanol-P&T
  • Concentration 2,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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