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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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9,268 Items found

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SKU: BASE75

Base Oil 75 Blank (500 mL)

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration Blank
  • Measured Impurities 37 Impurities to ppm
  • Certification Blank Confirmed by ICP
SKU: BASE20-G

Base Oil 20 Blank (1 Gallon)

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  • Brand Spex
  • Matrix Base Oil 20
  • Concentration Blank
  • Measured Impurities 37 Impurities to ppm
  • Certification Blank Confirmed by ICP
SKU: BASE20

Base Oil 20 Blank (500 mL)

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  • Brand Spex
  • Matrix Base Oil 20
  • Concentration Blank
  • Measured Impurities 37 Impurities to ppm
  • Certification Blank Confirmed by ICP
SKU: AU-CN-1

Gold from Gold Metal at 1 µg/mL in 0.05% NaCN + 0.1N NaOH (500 mL)

  • CCL
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  • Brand HPS
  • Matrix 0.01% NaCN & 0.1N NaOH
  • Concentration 1 µg/mL
  • Raw Material Three 9s as available, no purification
  • Certification Single: Gravimetric w/IC Confirmation
SKU: 9LL

1,2-Dichloroethane

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 99-A

Heptachlor epoxide (Isomer B)

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 98-A

Heptachlor

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 989H

3-Methylcholanthrene

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 96-A

Endrin

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 952-A

Methoxychlor

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
SKU: 950-A

Imazalil

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  • Brand NSI
  • Matrix Acetonitrile
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
SKU: 924-M

Sulfotep

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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