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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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SKU: WQC-COND-500

Conductivity Standard at 25 ?ºC at 100 µmhos in H2O (500 mL)

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  • Brand HPS
  • Matrix H2O
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ Wet Chem
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SKU: WL-729B

SW 846 ReadyCurve w/o Internal Standards

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: WL-600

Appendix IX LCS Spike Mix

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: WL-514FP

Midpoint Check w/CLP Surrogates (5X1.5mL)

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  • Brand NSI
  • Concentration 50 ug/mL
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: WL-513FP

Midpoint Check w/Surrogates - SW-846 (5X1.5mL)

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  • Brand NSI
  • Concentration 50 ug/mL
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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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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