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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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9,925 Items found

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SKU: 8260A-I-PK

Alternate Internal Std for EPA Method 8260, 2000 µg/mL (4 x 1 mL)

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  • Brand Spex
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
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SKU: 54750-L

Methamidophos

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  • Brand NSI
  • Certification Gravimetric and/or Volumetric
  • Raw Material >95% min; as available
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SKU: 522L

2,4,5-TP (Silvex)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 3821.13-50-ME

1H,1H,13H-Perfluorotridecan-1-ol,50 µg/mL in methanol,1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 50 µg/mL
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SKU: 3956.20-K-IO

Tetra-n-pentyltin; 1000 µg/mL in isooctane; 1 mL

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  • Brand Chiron
  • Matrix isooctane
  • Concentration 1000 µg/mL
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SKU: 3956.20-100MG

Tetra-n-pentyltin; neat (liquid); 100 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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SKU: 3513.10-100-AN

Thiabendazole; 100 µg/mL in acetonitrile; 1 mL

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 100 µg/mL
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SKU: 3513.10-100MG

Thiabendazole; neat; 100 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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SKU: 3519.6-100MG

1,2,4-Trichlorobenzene (1,2,4-TrCB); neat; 100 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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SKU: 3519.6-K-IO

1,2,4-Trichlorobenzene (1,2,4-TrCB); 1000 µg/mL in isooctane; 1 mL

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  • Brand Chiron
  • Matrix isooctane
  • Concentration 1000 µg/mL
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SKU: 3560.15-100-IO

2-Methyl-9,10-anthraquinone; 100 µg/mL in isooctane; 1 mL

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  • Brand Chiron
  • Matrix isooctane
  • Concentration 100 µg/mL
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SKU: 3560.15-K-IO

2-Methyl-9,10-anthraquinone; 1000 µg/mL in isooctane; 1 mL

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  • Brand Chiron
  • Matrix isooctane
  • Concentration 1000 µg/mL
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