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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: 562-M

2-Methylnaphthalene

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 562-A

2-Methylnaphthalene

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 560-M

Parathion ethyl

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 560-A

Parathion ethyl

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 55820-M

Propachlor

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 55820-A

Propachlor

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 55760-A

Prometon

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 552-M

2,4,5-TP (Silvex)

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 5522-A-PK

Free Acids Analyte Mix (10 Compts) for US EPA Method 552 (4 x 1 mL)

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  • Brand Spex
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  • Top rated
SKU: 5521-A

Analyte Mix A, 200 µg/mL

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  • Brand Spex
  • Matrix Methyl Tertiary-Butyl Ether
  • Concentration 200 µg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
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SKU: 5511-A-PK

Chlorinated Disinfectant By-Products Mix, 2000 µg/mL (4 x 1 mL)

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  • Brand Spex
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SKU: 550-A-PK

Polynuclear Aromatic Hydrocarbon (PAH) Analyte Mix (4 x 1 mL)

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  • Brand Spex
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