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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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9,169 Items found

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  • Top rated
SKU: ECS-A-033

Volatiles Main Mix, Non-Gases, 2,000 µg/mL

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  • Brand Spex
  • Matrix Methanol-P&T
  • Concentration 2,000 µg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
SKU: ECS-A-032

PAH Mix, 2,000 µg/mL

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  • Brand Spex
  • Matrix Methylene Chloride:Benzene (50:50)
  • Concentration 2,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
SKU: ECS-A-031

EPA Method 8270 Add-Ons Mix, 2,000 µg/mL

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  • Brand Spex
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Concentration 2,000 μg/mL
  • Matrix Methylene Chloride
  • Raw Material >95% min; as available
  • Top rated
SKU: ECS-A-030

EPA Method 625/8270 Base/Neutrals Mix 1

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  • Brand Spex
  • Matrix Methylene Chloride
  • Concentration 2,000 µg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
SKU: ECS-A-015

EPA Method 624/8240 Main Mix 1, 2,000 µg/mL

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  • Brand Spex
  • Matrix Methanol-P&T
  • Concentration 2,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
SKU: ECS-A-011

Volatile Surrogates Mix, 2,000 µg/mL

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  • Brand Spex
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Concentration 2,000 μg/mL
  • Matrix Methanol-P&T
  • Raw Material >95% min; as available
  • Top rated
SKU: ECS-A-010

Volatile ISTD Mix, 2,000 µg/mL

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  • Brand Spex
  • Matrix Methanol-P&T
  • Concentration 2,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
SKU: ECS-A-007

Benzidines Mix, 2,000 µg/mL

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  • Brand Spex
  • Matrix Methylene Chloride
  • Concentration 2,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
SKU: ECS-A-006

Phenols Mix, 2,000 µg/mL

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  • Brand Spex
  • Matrix Methylene Chloride
  • Concentration 2,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
SKU: ECS-A-001

Semivolatile Internal Standards Mix, 4,000 µg/mL

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  • Brand Spex
  • Matrix Methylene Chloride
  • Concentration 4,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
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