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High-Quality Analytical Reference Materials Spex | NSI | HPS | Chiron

Precision & Accuracy for Every Analysis

Ensure the highest confidence in your laboratory results with high-quality reference materials from industry-leading brands: Spex, NSI, HPS, and Chiron. Our extensive selection supports environmental, food safety, pharmaceutical, toxicology, cannabis, and industrial testing.

Our Reference Materials Include:

  • Inorganic Standards – Trace metals, ICP, ICP-MS, AAS, and wet chemistry solutions
  • Organic Standards – Pesticides, PCBs, PAHs, VOCs, SVOCs, and more
  • Microbiology Standards – Quantitative and qualitative reference materials for pathogen detection, sterility testing, and microbial analysis
  • Proficiency Testing (PT) Samples – Validate accuracy with external quality controls
  • Custom Standards – Tailored solutions to meet your lab’s specific needs - Fill out your custom request today!

Why Choose Us?

  • ISO 17034 & ISO 17025 Accreditation – Certified for reliability and traceability
  • Compliance with EPA, AOAC, ASTM, ISO, and other global regulations
  • High-Purity Materials – Ensuring precision in every analysis
  • Expert Support – Technical assistance to optimize your testing process

Get Started Today

Explore our full range of analytical and microbiology reference materials.

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9,184 Items found

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SKU: 1293-M

Dicamba ME

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 1291L

DCAA methyl ester

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 1288-M

1-Methylnaphthalene

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 1287-M

Thionazin (Zinophos)

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 1287-HA

Thionazin (Zinophos)

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 126M

Arochlor 1221 1000ppm in Methanol

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  • Brand NSI
  • Matrix Methanol
  • Concentration 1000ug/mL
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 126L-T

Arochlor 1221 50ppm in Oil

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  • Brand NSI
  • Matrix Hemp Oil
  • Concentration 50ppm
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 126L

Arochlor 1221 50ppm in Hexane

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  • Brand NSI
  • Matrix Hexane
  • Concentration 50ppm
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 126H-T

Arochlor 1221 500ppm in Oil

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  • Brand NSI
  • Matrix Hemp Oil
  • Concentration 500ppm
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 125M

Arochlor 1016 1000ppm in Methanol

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  • Brand NSI
  • Matrix Methanol
  • Concentration 1000ug/mL
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 125L-T

Arochlor 1016 50ppm in Oil

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  • Brand NSI
  • Matrix Hemp Oil
  • Concentration 50ppm
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 125L

Arochlor 1016 50ppm in Hexane

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  • Brand NSI
  • Matrix Hexane
  • Concentration 50ppm
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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