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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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SKU: 183134

0.0473 N Iodine, 1 Gallon in Amber Glass Bottle

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  • Brand Spex
  • Certification Single: Wet Chemistry
  • Concentration 0.0473 N
  • Matrix H2O
SKU: 182002

0.0394 N Sodium Thiosulfate, 1 Gallon in Cubitainer

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  • Brand Spex
  • Certification Single: Wet Chemistry
  • Concentration 0.0394 N
  • Matrix H2O/0.5% Amyl Alcohol
  • Top rated
SKU: CANN-INHL1

USP 232 REVISION 40 INHALATION 1

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  • Brand Spex
  • Matrix 5% HNO3
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
SKU: SPEI-011

Nitroaromatics

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  • Brand NSI
  • Certification Single: Gravimetric and/or Volumetric
SKU: AU-CN-10

Gold Metal at 10 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 10 µg/mL
  • Raw Material Three 9s as available, no purification
  • Certification Single: Gravimetric w/IC Confirmation
SKU: 10-70-2

Osmium at 10 µg/mL in 2% HCl

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  • Brand HPS
  • Matrix 2% HCl
  • Concentration 10 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: 10-69-3

Zirconium at 10 µg/mL in 2% HNO3 + Tr HF

  • CCL
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  • Brand HPS
  • Matrix 2% HNO3 & Tr HF
  • Concentration 10 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: 10-68-1

Zinc at 10 µg/mL in 2% HNO3

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  • Brand HPS
  • Matrix 2% HNO3
  • Concentration 10 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: 10-67-1

Yttrium at 10 µg/mL in 2% HNO3

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  • Brand HPS
  • Matrix 2% HNO3
  • Concentration 10 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: 10-66-1

Ytterbium at 10 µg/mL in 2% HNO3

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  • Brand HPS
  • Matrix 2% HNO3
  • Concentration 10 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: 10-65-1

Vanadium at 10 µg/mL in 2% HNO3

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  • Brand HPS
  • Matrix 2% HNO3
  • Concentration 10 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: 10-64-1

Uranium at 10 µg/mL in 2% HNO3 from a Natural Uranium Source

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  • Brand HPS
  • Matrix 2% HNO3
  • Concentration 10 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
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