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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.

Browse Our Products below

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9,165 Items found

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SKU: PEI-012

Residual Free Chlorine Drinking Water Inorganic Standard

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PE-116

TPH in Water, Single Ampule

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  • Brand NSI
  • Matrix Water
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PE-115

Diesel in Water, Single Ampule

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  • Brand NSI
  • Matrix Water
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PE-114

Gasoline in Water, Single Ampule

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  • Brand NSI
  • Matrix Water
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PCB-MD7C-A1

7 Component Dutch 7 PCB Congeners Mix, 1 mL

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  • Brand HPS
  • Matrix Isooctane
  • Concentration 100 µg/mL
  • Certification Single: Gravimetric
  • Top rated
SKU: PCB-DUTCH7

PCB Congeners Mix for NEN 5734-Dutch 7

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  • Brand Spex
  • Matrix Isooctane
  • Concentration 10 µg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
SKU: PCB-1260H

Aroclor 1260, 1,000 µg/mL

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  • Brand Spex
  • Matrix Hexane
  • Concentration 1,000 µg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
SKU: PCB-1260

Aroclor 1260, 200 µg/mL

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  • Brand Spex
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Concentration 200 µg/mL
  • Matrix Hexane
  • Raw Material >95% min; as available
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