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Analytical Reference Materials

Organic, Inorganic, Microbiology & PT Reference Materials

Explore the broadest selection of analytical reference materials and proficiency testing (PT) from the leading brands in certified and analytical reference materials: Spex, NSI, HPS, and Chiron. Our harmonized product development and custom capabilities are tailored to bring you innovative products to help meet your unique application needs.

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9,912 Items found

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SKU: 24121-94

MicroPrefs® Polystyrene (50-300 µm); neat

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  • Brand Chiron
  • Concentration neat
  • Matrix Neat
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  • New
SKU: 2923.9-100

Chlorpyrifos-d10

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  • Brand Chiron
  • Matrix isooctane
  • Concentration 100 µg/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
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  • New
SKU: 2774.12-5K

Aldrin; 5000 µg/mL in methanol

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  • Brand Chiron
  • Matrix methanol
  • Concentration 5000 µg/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
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SKU: 2663.10-2.5K

Toxaphene, 2500 µg/mL in dichloromethane

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  • Brand Chiron
  • Matrix dichloromethane
  • Concentration 2500 µg/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
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  • New
SKU: 3313.10-100-AN

Azinphos methyl, 100 µg/mL in acetonitrile

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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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SKU: 3314.10-100-CY

Azinphos-methyl-oxon, 100 µg/mL in cyclohexane

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  • Brand Chiron
  • Matrix cyclohexane
  • Concentration 100 µg/mL
  • Certification Grav. &/or Volume w/Analytical Confirmation
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SKU: 2918.8-K-AN

Atrazine-d5 (ethyl-d5); 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
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SKU: 2918.8-1MG

Atrazine-d5 (ethyl-d5); 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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SKU: 2919.12-100-IO

Carbaryl-d7 (naphthyl-d7); 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
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SKU: 2923.9-100-NN

Chlorpyrifos-d10 (O;O-diethyl-d10); 100 µg/mL in n-nonane

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  • Brand Chiron
  • Matrix n-nonane
  • Concentration 100 µg/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
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SKU: 2923.9-25MG

Chlorpyrifos-d10 (O;O-diethyl-d10); neat (oil)

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  • Brand Chiron
  • Matrix neat (oil)
  • Concentration neat
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
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  • New
SKU: 2924.9-100-AN

Cyanazine-d5 (N-ethyl-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
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