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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: CWW-CN-C

Cyanide Solution at 1.0 µg/mL Total Cyanide in 0.5% KOH (10 mL)

  • CCL
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  • Brand HPS
  • Matrix 0.5% KOH
  • Concentration 0.5 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
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SKU: CWW-CN-B

Cyanide Solution at 0.2 µg/mL Total Cyanide in 0.5% KOH (10 mL)

  • CCL
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  • Brand HPS
  • Matrix 0.5% KOH
  • Concentration 0.1 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
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SKU: 84410-60

Potassium Iodide ACS, 500 mL

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  • Brand Spex
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SKU: TX-1005SQCB

Texas TPH in Soil - Blind

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  • Brand NSI
  • Certification Grav &/ Volumetric w/analytical confirmation
  • Raw Material >95% min; as available
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SKU: TX-1005SQC

Texas TPH in Soil

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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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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SKU: SQCI-016

Low Level PAHs in Soil

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  • Brand NSI
  • Certification Single: Gravimetric and/or Volumetric
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SKU: PH1941

Aspartame

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Mass Balance; w/Analytical confirmation
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SKU: PH1859

Ascorbic Acid

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Mass Balance; w/Analytical confirmation
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SKU: PEO-102

Gasoline Range Organics (GRO) Wastewater PT Standard (2 pack)

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  • Brand NSI
  • Matrix Methanol solution
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: GRO-EPA-2

Gasoline Range Organics (EPA) Alternative Formulations

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  • Brand Spex
  • Matrix Methanol-P&T
  • Concentration 500 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
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SKU: GRO-1000-PK

Gasoline Range Organics Mix for EPA Method 8015, 1000µg/mL (4 x 1 mL)

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  • Brand Spex
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