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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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Sulfide in Soil Sulfide in Soil
SKU: SQCI-018

Sulfide in Soil

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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Cyanide in Soil – Blind Cyanide in Soil – Blind
SKU: SQCI-017B

Cyanide in Soil – Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
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Cyanide in Soil Cyanide in Soil
SKU: SQCI-017

Cyanide in Soil

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
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Low Level PAHs in Soil – Blind Low Level PAHs in Soil – Blind
SKU: SQCI-016B

Low Level PAHs in Soil – Blind

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  • Brand NSI
  • Certification Single: Gravimetric and/or Volumetric
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Low Level PAHs in Soil Low Level PAHs in Soil
SKU: SQCI-016

Low Level PAHs in Soil

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  • Brand NSI
  • Certification Single: Gravimetric and/or Volumetric
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Anions in Soil – Blind Anions in Soil – Blind
SKU: SQCI-015B

Anions in Soil – Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
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Anions in Soil Anions in Soil
SKU: SQCI-015

Anions in Soil

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
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Flash Point – Blind Flash Point – Blind
SKU: SQCI-014B

Flash Point – Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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Flash Point Flash Point
SKU: SQCI-014

Flash Point

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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Reactive Cyanide – Blind Reactive Cyanide – Blind
SKU: SQCI-013B

Reactive Cyanide – Blind

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

Reactive Cyanide

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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Corrosivity (pH) – Blind Corrosivity (pH) – Blind
SKU: SQCI-012B

Corrosivity (pH) – Blind

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