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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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9,426 Items found

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SKU: 54634H

Metribuzin

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 54620-M

Metolachlor

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 54620H

Metolachlor

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 54400-M

MCPP

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 54340-M

MCPA

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 54260-HA

Malathion

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 541-M

Benzoic acid

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 541H

Benzoic acid

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: 53-M

Naphthalene

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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SKU: ICV-3

Initial Calibration Verification Standard 3 (500 mL)

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  • Brand Spex
  • Matrix 5% HNO3
  • Concentration 500 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
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  • Top rated
SKU: ICV-1A

Initial Calibration Verification Standard 1A (500 mL)

  • CCL
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  • Brand Spex
  • Matrix 5% HNO3/tr. Tartaric Acid/tr. HF
  • Concentration 5,000 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
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  • Top rated
SKU: ICMIX6-100

IC Instrument Ion Anion Check Standard 6 (125 mL)

  • CCL
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  • Brand Spex
  • Matrix H2O
  • Concentration 150 µg/mL
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
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