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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: 11278.12-100-AN

Pyrimethanil-d5 (phenyl-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: 11279.20-100-AN

(+/-)-Pyriproxyfen-d4 (pyridyl-d4); 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: 11280.19-100-AN

(+/-)-Quizalofop-ethyl-d3 (propionate-3;3;3-d3); 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: 9511.9-100-IO

Sebuthylazine-d5 (ethyl-d5); 100 µg/mL in isooctane

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  • Brand Chiron
  • Matrix isooctane
  • Concentration 100 µg/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 2967.7-100-DS

Simazine-d10 (diethyl-d10); 100 µg/mL in DMSO

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  • Brand Chiron
  • Matrix DMSO
  • Concentration 100 µg/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 3384.12-100-ME

Diquat dibromide monohydrate, 100 µg/mL (as Diquat) in methanol

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL (as Diquat)
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 11281.16-100-AN

(+/-)-Tebuconazole-d4 (4-chlorophenyl-d4); 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: 11282.22-100-AN

Tebufenozide-d9 (3;5-dimethylbenzoyl-d9); 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: 3465.12-10-T

Oxadiazon-hydroxy , 10 µg/mL in toluene

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  • Brand Chiron
  • Matrix toluene
  • Concentration 10 µg/mL
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 8675.14-100-AN

Oxadixyl, 100 µg/mL in acetonitrile

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 100 µg/mL
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 15094.15-100MG

Paclobutrazol, 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: 8824.8-100-CY

Paraoxon-methyl, 100 µg/mL in cyclohexane

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