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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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9,205 Items found

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SKU: 12974.14-10MG

Sulfaquinoxaline; neat; 10 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 12977.11-100-ME

Sulfisoxazole; 100 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
SKU: 12980.14-K-ME

Teflubenzuron-d3; 1000 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg/mL
SKU: 12984.19-10MG

Orbifloxacin; neat; 10 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 12984.19-500MEX2

Orbifloxacin; 500 µg/mL in 0.04M NaOH in MeOH; 1 mL x 2

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  • Brand Chiron
  • Matrix 0.04M NaOH in MeOH
  • Concentration 500 µg/mL
SKU: 12985.46-5MG

Tylosin isomer mix; neat; 5 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 12985.46-K-ME

Tylosin isomer mix; 1000 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg/mL
SKU: 12987.42-100-ME

Josamycin; 100 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
SKU: 12989.41-100-AN

Tulathromycin isomer mix; 100 µg/mL in acetonitrile; 1 mL

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 100 µg/mL
SKU: 12989.41-10MG

Tulathromycin isomer mix; neat; 10 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 12989.41-K-AN

Tulathromycin isomer mix; 1000 µg/mL in acetonitrile; 1 mL

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 1000 µg/mL
SKU: 12990.28-100-ME

Tiamulin; 100 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
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