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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

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Explore our full range of analytical and microbiology reference materials.

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9,842 Items found

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SKU: 10410.2-100-ME

O;O-Dimethyl dithiophosphate; ammonium salt; 100 µg conj. base/mL in methanol

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg conj. base/mL
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 10410.2-K-ME

O;O-Dimethyl dithiophosphate; ammonium salt; 1000 µg conj. base/mL in methanol

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg conj. base/mL
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 10410.2-50MG

O;O-Dimethyl dithiophosphate; ammonium salt; neat

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 10407.4-K-ME

O;O-Diethyl dithiophosphate; ammonium salt; 1000 µg conj. base/mL in methanol

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg conj. base/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 10407.4-50MG

O;O-Diethyl dithiophosphate; ammonium salt; neat

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 10408.4-5MG

O;O-Diethyl dithiophosphate-13C4; ammonium salt; neat

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 10581.23-100-ME

(±)-Chlorophacinone-d4 (indanedione-4;5;6;7-d4); 100 µg/mL in methanol

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 10581.23-10MG

(±)-Chlorophacinone-d4 (indanedione-4;5;6;7-d4); neat

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 10322.12-100-AN

Forchlorfenuron-d5; 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: 10320.14-100-ME

Metazachlor-d6; 100 µg/mL in methanol

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 10320.14-5MG

Metazachlor-d6; neat

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 10321.7-100-ME

Mevinphos-d6; 100 µg/mL in methanol

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
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