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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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5,917 Items found

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SKU: QCI-117

Total Chlorine Accuracy Check Snip™ 2.50ppm

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  • Brand NSI
  • Concentration 2.50 mg/L
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
SKU: QCI-104B

TOX Concentrate - Blind

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: QCI-101B

Silica Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: QCI-081SNIP

GGA Concentrate Snips™

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  • Brand NSI
  • Concentration 300 mg/L
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: QCI-064

Complex Nutrients QC CRM

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  • Brand NSI
  • Raw Material >95% min
  • Certification Single: Grav. w/Analytical Confirmation
SKU: QCI-063

Simple Nutrients QC CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: QCI-041

Inorganics QC CRM

  • CCL
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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: QCI-026B

Demand Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
  • Top rated
SKU: CLNI2-2Y

Nickel, 1,000 µg/mL (1,000 ppm) for ICP-MS (125 mL)

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  • Brand Spex
  • Matrix 2% HNO3
  • Concentration 1,000 µg/mL
  • Measured Impurities 68 elements to ppb (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: CLNI2-2M

Claritas PPT® Nickel, 1,000 µg/mL (1,000 ppm) for ICP-MS (30 mL)

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  • Brand Spex
  • Matrix 2% HNO3
  • Concentration 1,000 µg/mL
  • Measured Impurities 68 elements to ppb (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: CLNI2-1BY

Nickel, 1 µg/mL (1 ppm) for ICP-MS (125 mL)

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  • Brand Spex
  • Matrix 2% HNO3
  • Concentration 1 µg/mL
  • Measured Impurities 68 elements to ppb (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: CLNI2-1AY

NICKEL ICP/ICPMS STD IN 2% HNO 10PPM (125 mL)

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  • Brand Spex
  • Matrix 2% HNO
  • Concentration 10PPM
  • 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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