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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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9,422 Items found

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SKU: QCI-147L

Stable Sulfide Standard 1mg/mL

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  • Brand NSI
  • Concentration 1mg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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  • New
SKU: 24121-86

MicroPrefs® Tablet: Mix of PE, PET, PS (50-300 µm); 50-300 µm, 70-100 particles/tab: Tablet

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  • Brand Chiron
  • Matrix NaHCO3/Citric acid/Lactose
  • Concentration 50-300 µm, 70-100 particles/tab
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  • New
SKU: 24121-89

MicroPrefs® Tablet: Mix of PP, PVC, PC (50-300 µm); 50-300 µm, 70-100 particles/tab: Tablet

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  • Brand Chiron
  • Matrix NaHCO3/Citric acid/Lactose
  • Concentration 50-300 µm, 70-100 particles/tab
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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
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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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SKU: QCO-135B

NPW - Low Level PAHs - Blind

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  • Brand NSI
  • Matrix Acetonitile
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: QCO-122B

NPW - Organochlorine Pesticides - Blind

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  • Brand NSI
  • Matrix Ethyl acetate
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: QCO-121B

NPW - Base/Neutrals - Blind

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  • Brand NSI
  • Matrix Acetone/Methanol solution
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: QCO-120B

NPW - Volatiles - Blind

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  • Brand NSI
  • Matrix Methanol solution
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: QCO-119B

NPW - Supplemental Volatiles - Blind

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  • Brand NSI
  • Matrix Methanol solution
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: QCO-103B

NPW - Low Level Halocarbons - Blind

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  • Brand NSI
  • Matrix Methanol solution
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: QCO-102B

NPW -Gasoline Range Organics (GRO) - Blind

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