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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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SKU: ORG-AL8-4Z

Aluminum 5,000 µg/mL (5,000 ppm) ( (50 g))

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 5,000 µg/mL
SKU: ORG-AL8-2Z

Aluminum 1,000 µg/mL (1,000 ppm) ( (50 g))

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  • Brand Spex
  • Matrix Base Oil 20
  • Concentration 1,000 µg/mL
SKU: ORG-AG8-2Z

Silver 1,000 µg/mL (1,000 ppm) (50 g)

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 1,000 µg/mL
  • Top rated
SKU: C11-18

C11 through C18 Alkanes Mix

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  • Brand Spex
  • Matrix Methylene Chloride
  • Concentration 1,000 µg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
SKU: C1001-09.4

Method C1001-09.4 Phthalates, 1,000 µg/mL

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  • Brand Spex
  • Matrix Isooctane
  • Concentration 1,000 µg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
SKU: C1001-09

Calibration Standard Phthalates

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  • Brand Spex
  • Matrix Isooctane
  • Concentration 1,000 µg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
SKU: 129L-T

Arochlor 1260 50ppm in Oil

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  • Brand NSI
  • Matrix Hemp Oil
  • Concentration 50ppm
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 129H-T

Arochlor 1260 500ppm in Oil

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  • Brand NSI
  • Matrix Hemp Oil
  • Concentration 500ppm
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 126L-T

Arochlor 1221 50ppm in Oil

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  • Brand NSI
  • Matrix Hemp Oil
  • Concentration 50ppm
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 126H-T

Arochlor 1221 500ppm in Oil

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  • Brand NSI
  • Matrix Hemp Oil
  • Concentration 500ppm
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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