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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: ICP-200.8-3

20 Component EPA 200.8 Standard

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  • Brand HPS
  • Matrix Multiple
  • Concentration Multiple
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
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  • Top rated
  • KIT
SKU: DW-SETN

Drinking Water Standards without Mercury for AA & ICP (125 mL)

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  • Brand Spex
  • Matrix 2% HNO3
  • Concentration 100 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
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  • Top rated
  • KIT
SKU: DW-SET

Drinking Water Standards with Mercury for AA & ICP (125 mL)

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  • Brand Spex
  • Matrix Multiple
  • Concentration 100 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
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SKU: CRDL-2

ICP Contract Required Detection Limit Standard 2 (125 mL)

  • CCL
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  • Brand Spex
  • Matrix 5% HNO3/tr. Tartaric Acid/tr. HF
  • Concentration 200 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
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SKU: ICP-MS-68A

68 Component ICP-MS Standard at 10 µg/mL

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  • Brand HPS
  • Matrix 2% HNO3,2% HCl
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SKU: ICP-MS-68B

68 Component ICP-MS Standard at 100 µg/mL

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  • Brand HPS
  • Matrix 2% HNO3,4% HNO3
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SKU: IC-SR

Sulfur from Sodium Sulfate at 100 µg/mL in H2O

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  • Brand HPS
  • Matrix H2O
  • Concentration 100 µg/mL
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SKU: IC-SR-M

Sulfur from Sodium Sulfate at 1,000 µg/mL in H2O

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  • Brand HPS
  • Matrix H2O
  • Concentration 1,000 µg/mL
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SKU: QCI-069C

Oil & Grease - Ready To Use Reference Material (4 x 1000 mL)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: QCI-029B

Oil & Grease Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: QCI-029

Oil & Grease QC Concentrate CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: IC-7-2

7 Anion Standard 2 (125mL)

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  • Brand NSI
  • Matrix Water
  • Concentration 1000 mg/L
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
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