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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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SKU: 323

Hexachlorophene

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  • Brand NSI
  • Matrix CH2Cl2
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 321

tert-Buytl formate

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  • Brand NSI
  • Matrix PT Methanol
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 318

Coronene

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  • Brand NSI
  • Matrix CH2Cl2/Benzene
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 311

2-Butanone

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  • Brand NSI
  • Matrix PT Methanol
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 305

4-Chloroaniline

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  • Brand NSI
  • Matrix CH2Cl2
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 302

2,6-Dichlorophenol

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  • Brand NSI
  • Matrix CH2Cl2
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 300

Pentachloroethane

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 298

N-Nitrosopyrrolidine

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 289

Tri-n-propyl tin chloride

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  • Brand NSI
  • Matrix CH2Cl2
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 287

1,2,4-Trimethyl-5-nitrobenzene

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 285

Diethyl ether

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  • Brand NSI
  • Matrix Methanol-P&T
  • Concentration 2,000 μg/mL
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 284

Acetone

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  • Brand NSI
  • Matrix Methanol/Water (9:1)
  • Concentration 5,000 μg/mL
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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