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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: 9409.14-K-ME

DL-threo-Methylphenidate hydrochloride, 1000 µg base/mL, MeOH, 1 mL

  • RUO
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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 ug base/mL
  • Certification Single
SKU: 9409.14-10MG

DL-threo-Methylphenidate hydrochloride, neat, neat, 10 mg

  • RUO
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  • Brand Chiron
  • Matrix neat
  • Concentration neat
  • Certification Single
SKU: 16883

Aspergillus flavus

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: 16888

Aspergillus niger

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: 1012

Aspergillus terreus

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  • Brand NSI
  • Certification Cultural based enumeration
  • Raw Material <2 passages from primary culture
SKU: 10041.19-K-AN

6-Acetylmorphine (free base), 1000 ug/mL, Acetonitrile, 1 mL, 1, EA

  • RUO
  • DEA
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  • Brand Chiron
  • Matrix Acetonitrile
  • Concentration 1000 ug/mL
  • Certification Single
SKU: 10041.19-10MG

6-Acetylmorphine (free base), Neat, Neat, 10 mg, 1, EA

  • RUO
  • DEA
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  • Brand Chiron
  • Certification Single
  • Concentration Neat
  • Matrix Neat
SKU: C-957

Gas Mix (1.5mL)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: WL-397

625 LCS Spike (2 x 25mL)

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  • Brand NSI
  • Certification Grav &/ Volumetric w/analytical confirmation
  • Concentration 100ug/mL
  • Matrix Methanol/Methylene
  • Raw Material >95% min; as available
SKU: WL-397X

625 LCS Spike (2 x 25mL)

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  • Brand NSI
  • Certification Grav &/ Volumetric w/analytical confirmation
  • Concentration 100ug/mL
  • Matrix Methanol/Methylene
  • Raw Material >95% min; as available
SKU: QCO-150B

NPW - BTEX by PID - Blind

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  • Brand NSI
  • Matrix Methanol solution
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: QCO-136B

NPW - Nitroaromatics/Nitramines in Water - Blind

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  • Brand NSI
  • Matrix Water
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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