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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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9,385 Items found

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SKU: PEI-018K

Full NELAC WS Inorganics Kit

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: PEI-017

Inorganic Disinfection By-Products Drinking Water Inorganic Standard

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
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SKU: PEI-016

Trace Metals Drinking Water Inorganic Standard

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
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SKU: PEI-015

Cyanide Drinking Water Inorganic Standard

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  • Brand NSI
  • Concentration 0.1 - 0.5 mg/L
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: PEI-014

Turbidity Drinking Water Inorganic Standard

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: PEI-013

TOC/DOC Drinking Water Inorganic Standard

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: PEI-012

Residual Free Chlorine Drinking Water Inorganic Standard

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: PE-116

TPH in Water, Single Ampule

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  • Brand NSI
  • Matrix Water
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: PE-115

Diesel in Water, Single Ampule

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  • Brand NSI
  • Matrix Water
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: PE-114

Gasoline in Water, Single Ampule

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  • Brand NSI
  • Matrix Water
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: PE-113

PVOC in Water, Single Ampule

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  • Brand NSI
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SKU: PCB-MD7C-A1

7 Component Dutch 7 PCB Congeners Mix, 1 mL

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  • Brand HPS
  • Matrix Isooctane
  • Concentration 100 µg/mL
  • Certification Single: Gravimetric
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