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Analytical Reference Material

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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9,426 Items found

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SKU: ICV-3

Initial Calibration Verification Standard 3 (500 mL)

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  • Brand Spex
  • Matrix 5% HNO3
  • Concentration 500 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
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  • Top rated
SKU: ICV-1A

Initial Calibration Verification Standard 1A (500 mL)

  • CCL
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  • Brand Spex
  • Matrix 5% HNO3/tr. Tartaric Acid/tr. HF
  • Concentration 5,000 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
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SKU: S21-100Z

MULTI-STANDARD S21, 21 ELEMENTS AT 100UG/G, 50G

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 100 µg/g
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SKU: S21-100Y

MULTI-STANDARD S21, 21 ELEMENTS AT 100UG/G, 100G

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 100 µg/g
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SKU: S12-100Z

MULTI-STANDARD S12, 12 ELEMENTS AT 100UG/G (50G)

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 100UG/G
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SKU: S12-100Y

MULTI-STANDARD S12, 12 ELEMENTS AT 100UG/G (100G)

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 100UG/G
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SKU: QCI-145C

Hardness QC (4 x 250 mL)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
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SKU: QCI-145B

Hardness - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
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SKU: QCI-145

Hardness QC

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
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SKU: QCI-137C

Hardness QC CRM (4 x 250 mL)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
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SKU: QCI-137B

Hardness - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
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SKU: QCI-137

Hardness QC CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
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