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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: WL-507

Ready Stock 200 - SW-846 Surr (5mL)

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  • Brand NSI
  • Matrix Methylene chloride
  • Concentration 200 ug/mL
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: WL-445

Pesticide Spike II

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: WL-408-50X

TCL BNA LCS Spike w/o Benzidines (50mL)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: WL-408-50

TCL BNA LCS Spike (50mL)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: WL-408-25X

TCL BNA LCS Spike w/o Benzidines (25mL)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: WL-408-25

TCL BNA LCS Spike (25mL)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: WL-408-10X

TCL BNA LCS Spike w/o Benzidines (10mL)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: WL-408-10

TCL BNA LCS Spike (10mL)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: WL-397X

625 LCS Spike (25mL)

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  • Brand NSI
  • Matrix Methanol/Methylene
  • Concentration 100ug/mL
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: WL-397

625 LCS Spike (25mL)

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  • Brand NSI
  • Matrix Methanol/Methylene
  • Concentration 100ug/mL
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: WL-396X

625 LCS Spike w/o Benzidines (10mL)

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  • Brand NSI
  • Matrix Methanol/Methylene
  • Concentration 100ug/mL
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: WL-396

625 LCS Spike (10mL)

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