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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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  • New
SKU: 24121-65

MicroPrefs® Blank tablet

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  • Brand Chiron
  • Matrix Excipient
  • Concentration excipient
  • New
SKU: 24121-68

MicroPrefs® Polyethylene (50-300 µm)

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  • Brand Chiron
  • Matrix Excipient
  • Concentration 50-70 particles
  • New
SKU: 24121-92

MicroPrefs® Polyethylene (50-300 µm); neat; 1 mg

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  • Brand Chiron
  • Matrix Neat
  • Concentration neat
  • New
SKU: 24121-71

MicroPrefs® Polyethylene terephthalate (50-300 µm)

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  • Brand Chiron
  • Matrix Excipient
  • Concentration 50-70 particles
  • New
SKU: 24121-74

MicroPrefs® Polystyrene (50-300 µm)

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  • Brand Chiron
  • Matrix Excipient
  • Concentration 50-70 particles
  • New
SKU: 24121-76

MicroPrefs® Polystyrene (50-300 µm); neat; 1 mg

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  • Brand Chiron
  • Matrix Neat
  • Concentration neat
  • New
SKU: 24121-77

MicroPrefs® Polypropylene (50-300 µm)

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  • Brand Chiron
  • Matrix Excipient
  • Concentration 50-70 particles
  • New
SKU: 24121-95

MicroPrefs® Polypropylene (50-300 µm); neat; 1 mg

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  • Brand Chiron
  • Matrix Neat
  • Concentration neat
  • New
SKU: 24121-80

MicroPrefs® Polyvinylchloride (50-300 µm)

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  • Brand Chiron
  • Matrix Excipient
  • Concentration 50-70 particles
  • New
SKU: 24121-96

MicroPrefs® Polyvinylchloride (50-300 µm); neat; 1 mg

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  • Brand Chiron
  • Matrix Neat
  • Concentration neat
  • New
SKU: 24121-83

MicroPrefs® Polycarbonate (50-300 µm)

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  • Brand Chiron
  • Matrix Excipient
  • Concentration 50-70 particles
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