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Analytical Reference Materials

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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9,925 Items found

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SKU: 1417-M

Pentachloroanisole

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 1393L

2,5-Dibromotoluene

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 1393H

2,5-Dibromotoluene

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 1503-A

Pyrethrins in Acetonitrile

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  • Brand NSI
  • Matrix Acetonitrile
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 1495L

Cyfluthrin (Baythroid) 100 ug/mL in Acetone

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 1495-A

Cyfluthrin (Baythroid) 1000 ug/mL in Acetonitrile

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  • Brand NSI
  • Matrix Acetonitrile
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 1532A

Piperonyl Butoxide in Acetonitrile

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  • Brand NSI
  • Matrix Acetonitrile
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 1532-1

Piperonyl Butoxide 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: 1486-1

Prophos (Ethoprophos) 5000 ug/mL 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: 1486-2

Prophos (Ethoprophos) 1000ug/mL in Acetonitrile

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  • Brand NSI
  • Matrix Acetonitrile
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 1480-1

Acephate in Methanol

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 14056.5-50-ME

PFMOBA,1 mL,50 µg in Methanol,1 mL

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  • Brand Chiron
  • Concentration 50 μg/mL
  • Matrix methanol
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