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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: SPEO-019

Nutrients 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-009

Chlordane 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-008L

VOCs in Soil - Low Level

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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-008H

VOCs in Soil - Mid Level

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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-007

Semivolatiles 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-006

Acid Herbicides 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-005

PCB 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-004

Toxaphene 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: PEO-101

Diesel Range Organics (DRO) 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: WQC-PH-10-500

pH Standard 10 at 25ºC at 10.00 units in H2O (500 mL)

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  • Brand HPS
  • Matrix H2O
  • Raw Material Two 9s as available; no purification
  • Certification Single: Grav. w/multiple Analytical Confirmation
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SKU: PH-BUFF12-500

PH BUFFER STANDARD 12

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  • Brand Spex
  • Certification Single: Wet Chemistry
  • Concentration 12 SI Units
  • Matrix H2O
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SKU: PH-BUFF11-500

PH BUFFER STANDARD 11

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  • Brand Spex
  • Certification Single: Wet Chemistry
  • Concentration 11 SI Units
  • Matrix H2O
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