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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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9,875 Items found

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  • New
SKU: 3483.10-100MG

Phosphamidon, neat

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 15015.14-K-AN

Pindone , 1000 µg/mL in acetonitrile

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 1000 µg/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 15946.19-100-AN

Piperonyl butoxide, 100 µg/mL in acetonitrile

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 100 µg/mL
  • Raw Material 79.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 15946.19-100MG

Piperonyl butoxide, neat (liquid)

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  • Brand Chiron
  • Matrix neat (liquid)
  • Concentration neat
  • Raw Material 79.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 10818.6-1G

Potassium sorbate, neat

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 15062.19-100MG

Prallethrin (Mixture of diastereomers), neat

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
  • Raw Material 89.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 3491.10-100-AN

Prometryn, 100 µg/mL in acetonitrile

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 100 µg/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 8943.11-100-AN

Propachlor, 100 µg/mL in acetonitrile

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 100 µg/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 2769.9-100-AN

Propazine, 100 µg/mL in acetonitrile

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 100 µg/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 15093.9-100-AC

Propamocarb, 100 µg/mL in acetone

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  • Brand Chiron
  • Matrix acetone
  • Concentration 100 µg/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 15093.9-K-AC

Propamocarb, 1000 µg/mL in acetone

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  • Brand Chiron
  • Matrix acetone
  • Concentration 1000 µg/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 15093.9-100MG

Propamocarb, neat

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
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