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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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9,409 Items found

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SKU: PEI-194

Perchlorate - Whole Volume Drinking Water Inorganic Standard

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
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SKU: PEI-193

Fluoride Drinking Water Inorganic Standard

  • CCL
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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
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SKU: PEI-192

Dissolved Oxygen Wastewater PT Standard (2 pack)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: PEI-191

Ignitability Wastewater PT Standard, 110 mL bottle

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: PEI-180

Uranium Wastewater PT Standard (2 pack)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
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SKU: IC-1-A

6 Component Anion Standard at 100 µg/mL in H2O Solution A

  • CCL
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  • Brand HPS
  • Matrix H2O
  • Concentration 100 µg/mL
  • Raw Material Three 9s as available, no purification
  • Certification Single: Gravimetric w/IC Confirmation
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SKU: IC-1

7 Component Anion Standard at 100 µg/mL in H2O

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  • Brand HPS
  • Matrix H2O
  • Concentration 100 µg/mL
  • Raw Material Three 9s as available, no purification
  • Certification Single: Gravimetric w/IC Confirmation
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SKU: IB-LA-B5

5% Lanthanum Ionization Buffer for FAAS in 1% HNO3

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  • Brand HPS
  • Certification Single: Gravimetric
  • Matrix 1% HNO3
  • Raw Material Three 9s as available; no purification
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SKU: IB-LA-A5

5% Lanthanum Ionization Buffer for FAAS in 1% HCl

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  • Brand HPS
  • Certification Single: Gravimetric
  • Matrix 1% HCl
  • Raw Material Three 9s as available; no purification
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SKU: IB-LA-A1

1% Lanthanum Ionization Buffer for FAAS in 1% HCl

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  • Brand HPS
  • Certification Single: Gravimetric
  • Matrix 1% HCl
  • Raw Material Three 9s as available; no purification
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SKU: IB-CS-B5

5% Cesium Ionization Buffer for FAAS in 1% HNO3

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  • Brand HPS
  • Certification Single: Gravimetric
  • Matrix 1% HNO3
  • Raw Material Three 9s as available; no purification
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  • Top rated
SKU: HICAL-ACIDS

HICAL-Acids 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
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