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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: 654-HA

Disulfoton

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 64-A

bis(2-Ethylhexyl)phthalate

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 62-M

Pentachlorophenol

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 62HM

Pentachlorophenol

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 625-T2

GC/MS Test Mix, 250 µg/mL

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  • Brand Spex
  • Matrix Methylene Chloride
  • Concentration 250 µg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
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  • Top rated
SKU: 625-PH

Organochlorine Pesticides Mix, 2,000 µg/mL

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  • Brand Spex
  • Matrix Benzene
  • Concentration 2,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
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SKU: 624-S

Surrogate Standard, 1,000 µg/mL

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  • Brand Spex
  • Matrix Methanol-P&T
  • Concentration 1,000 µg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
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  • Top rated
SKU: 624-I

Internal Standard,1 ,000 µg/mL

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  • Brand Spex
  • Matrix Methanol-P&T
  • Concentration 1,000 µg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
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SKU: 624-BH

Purgeable Gases Mix B, 2,000 µg/mL

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  • Brand Spex
  • Matrix Methanol-P&T
  • Concentration 2,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
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SKU: 624-A

Volatile Organics Combination Analyte Mix

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  • Brand Spex
  • Matrix Methanol-P&T
  • Concentration 2,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
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SKU: 622W

Endothall

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 622H

Endothall

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