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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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8,729 Items found

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NPW - Acids NPW - Acids
SKU: QCO-022

NPW - Acids

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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NPW - PCB in Water - Blind NPW - PCB in Water - Blind
SKU: QCO-020B

NPW - PCB 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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NPW - PCB in Water NPW - PCB in Water
SKU: QCO-020

NPW - PCB in Water

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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EPA WS Organics Kit EPA WS Organics Kit
SKU: QCO-010K

EPA WS Organics Kit

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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Full WS Organics Kit Full WS Organics Kit
SKU: QCO-009K

Full WS Organics Kit

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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WS - EDB/DBCP/TCP - Blind WS - EDB/DBCP/TCP - Blind
SKU: QCO-007-4B

WS - EDB/DBCP/TCP - Blind

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  • Brand NSI
  • Matrix P/T Methano
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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WS - EDB/DBCP/TCP WS - EDB/DBCP/TCP
SKU: QCO-007-4

WS - EDB/DBCP/TCP

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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WS - Unregulated VOCs - Blind WS - Unregulated VOCs - Blind
SKU: QCO-007-3B

WS - Unregulated VOCs - Blind

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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WS - Unregulated VOCs WS - Unregulated VOCs
SKU: QCO-007-3

WS - Unregulated VOCs

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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WS - Regulated VOCs - Blind WS - Regulated VOCs - Blind
SKU: QCO-007-12B

WS - Regulated VOCs - Blind

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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WS - Regulated VOCs WS - Regulated VOCs
SKU: QCO-007-12

WS - Regulated VOCs

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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WS - Regulated SOCs - Blind WS - Regulated SOCs - Blind
SKU: QCO-006B

WS - Regulated SOCs - Blind

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