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Analytical Technique

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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5,992 Items found

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SKU: SQCO-005

PCB 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: SQCO-004B

Toxaphene in Soil - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: SQCO-004

Toxaphene 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: 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: 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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  • Top rated
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: CWW-TOC-E

Total Organic Carbon at 40 µg/mL in H2O (5 mL)

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  • Brand HPS
  • Matrix H2O
  • Concentration 40 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
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SKU: TX-1005SPT

Texas TPH in Soil

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  • Brand NSI
  • Matrix Soil
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: SPEO-038

TOX in Soil

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