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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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9,246 Items found

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  • Top rated
SKU: SPEC-AS3

ARSENIC 3 in 2-5% HCL 1000ppm (125 mL)

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  • Brand Spex
  • Matrix 2-5% HCL
  • Concentration 1000ppm
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
  • KIT
SKU: QC-SETB

SET OF TWO;QC-21 & QC-7 HNO3

  • CCL
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  • Brand Spex
  • Matrix Multiple
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
  • KIT
SKU: QC-SETA

SET OF TWO:QC-21,QC-7A (HNO3)

  • CCL
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  • Brand Spex
  • Matrix Multiple
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
SKU: QCI-128B

Hexavalent Chromium Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
SKU: QCI-128

Hexavalent Chromium QC Concentrate

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
SKU: QCI-095B

Hexavalent Chromium Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: QCI-095

Hexavalent Chromium QC Concentrate CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
  • Top rated
SKU: QC-7A-500

QUALITY CONTROL STANDARD 7A,500ML HNO3 (500 mL)

  • CCL
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  • Brand Spex
  • Matrix 5% HNO3/tr. HF
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SKU: QC-7A

QUALITY CONTROL STANDARD 7A HNO3 (125 mL)

  • CCL
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  • Brand Spex
  • Matrix 5% HNO3/tr. HF
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SKU: QC-7-500

QUALITY CONTROL STANDARD 7 (500ML)

  • CCL
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  • Brand Spex
  • Matrix 5% HNO3/tr. F-
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SKU: QC-7

QUALITY CONTROL STANDARD 7 (125 mL)

  • CCL
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  • Brand Spex
  • Matrix 5% HNO3/tr. F-
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SKU: QC-24

AA/ICP QUALITY CONTROL STANDARD STANDARD 24

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  • Brand Spex
  • Matrix 10% HNO3
  • Concentration 10 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
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