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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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9,385 Items found

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SKU: ISOT-LI6

Lithium 6, 100 µg/mL (100 ppm) for ICP-MS (125 mL)

  • CCL
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  • Brand Spex
  • Matrix 2% HNO3
  • Concentration 100 µg/mL
  • Measured Impurities 68 elements to ppb (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
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SKU: ISOT-CU65

Claritas PPT® Copper 65, 10 µg/mL (10 ppm) for ICP-MS (125 mL)

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  • Brand Spex
  • Matrix 2% HNO3
  • Concentration 10 µg/mL
  • Measured Impurities 68 elements to ppb (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
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SKU: ISOT-B11

Claritas PPT® Boron 11, 10 µg/mL (10 ppm) for ICP-MS (125 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 10 µg/mL
  • Measured Impurities 68 elements to ppb (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
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  • Top rated
SKU: ISOT-B10

Boron 10, 10 µg/mL (10 ppm) for ICP-MS (125 mL)

  • CCL
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  • Brand Spex
  • Matrix H2O
  • Concentration 10 µg/mL
  • Measured Impurities 68 elements to ppb (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
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SKU: IS-BUF3-500

Low Level TISAB II Ionic Strength Adjustment Buffer (500 mL)

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  • Brand Spex
  • Matrix H2O
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SKU: IS-BUF2-500

Sodium Hydroxide (NaOH) Ionic Strength Adjustment Buffer, 10 M, (500 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 10 M
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SKU: IS-BUF1-500

5M Sodium Nitrate (NaNO3) Ionic Strength Adjustment Buffer, 5 M (500 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 5 M
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SKU: IS-035

Phenols

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: IS-034

Calcium Hardness CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
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SKU: IS-032

Chlorate CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
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SKU: IS-031

Chlorite CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
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SKU: IS-030

Bromate CRM

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