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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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6,013 Items found

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SKU: ECS-B-DIOX

1,4-Dioxane, 10,000 µg/mL (1.5 mL)

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  • Brand Spex
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Concentration 10,000 µg/mL
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Top rated
SKU: ECS-B-201

Semivolatile Internal Standards Mix, 2,000 µg/mL

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  • Brand Spex
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Concentration 2,000 μg/mL
  • Matrix Methylene Chloride
  • Raw Material >95% min; as available
  • Top rated
SKU: ECS-B-061

EPA Method 8270 Add-Ons Mix, 2,000 µg/mL

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  • Brand Spex
  • Matrix Methylene Chloride
  • Concentration 2,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
SKU: ECS-B-053

Volatile Gases Mix, 2,000 µg/mL

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  • Brand Spex
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Concentration 2,000 μg/mL
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Top rated
SKU: ECS-B-046XP

Revision 4.0 Add-Ons Mix for EPA Method 524.2

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  • Brand Spex
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Concentration 40,000 µg/mL
  • Matrix Methanol-P&T
  • Raw Material >95% min; as available
  • Top rated
SKU: ECS-B-043

EPA Method 8260 Ketones Mix, 2,000 µg/mL

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  • Brand Spex
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Concentration 2,000 μg/mL
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Top rated
SKU: ECS-B-040

2-Chloroethyl vinyl ether, 2,000 µg/mL (1.5 mL)

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  • Brand Spex
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Concentration 2,000 μg/mL
  • Matrix Methanol-P&T
  • Raw Material >95% min; as available
  • Top rated
SKU: ECS-B-033

Volatiles Main Mix, Non-Gases, 2,000 µg/mL

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  • Brand Spex
  • Matrix Methanol-P&T
  • Concentration 2,000 µg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
SKU: ECS-B-032

PAH Mix, 2,000 µg/mL

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  • Brand Spex
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Concentration 2,000 μg/mL
  • Matrix Methylene Chloride:Benzene (50:50)
  • Raw Material >95% min; as available
  • Top rated
SKU: ECS-A-NHOX

EPA Method 8260 Oxygenates Mix

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  • Brand Spex
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Concentration 2,000 µg/mL
  • Matrix Methanol-P&T
  • Raw Material >95% min; as available
  • Top rated
SKU: ECS-A-ACN

Acrolein, 10,000 µg/mL

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  • Brand Spex
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Concentration 10,000 µg/mL
  • Matrix Methanol-P&T
  • Raw Material >95% min; as available
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