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Analytical

Organic, Inorganic, Microbiology & PT Reference Materials

Spex, NSI, HPS, and Chiron have joined ZeptoMetrix to drive scientific innovation in analytical reference materials and PT.

Explore the broadest selection of analytical reference materials and proficiency testing (PT) from the leading brands in certified and analytical reference materials. 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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  • Top rated
SKU: EMPT-1

EXTRACTABLE METALS FROM PLASTIC TOYS 1 (125 mL)

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  • Brand Spex
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SKU: ECS-Z-003

Acid Extractables Surrogate Mix, 2,000 µg/mL

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  • Brand NSI
  • 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-Z-002

Base/Neutral Surrogate Mix, 1,000 µg/mL

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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: ECS-N-027

Semivolatile Surrogates 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
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