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Analytical

Organic, Inorganic, Microbiology & PT Reference Materials

Spex, NSI, HPS, and Chiron have joined ZeptoMetrix to drive scientific innovation in analytical reference materials and PT.

Explore the broadest selection of analytical reference materials and proficiency testing (PT) from the leading brands in certified and analytical reference materials. 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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7,267 Items found

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  • Top rated
SKU: PLS9-2T

Sulfur, 1,000 µg/mL, for AA and ICP (250 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: PLS9-2M

Sulfur, 1,000 µg/mL, for AA and ICP (30 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: PLRU3-2Y

Ruthenium, 1,000 µg/mL, for AA and ICP (125 mL)

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  • Brand Spex
  • Matrix 10% HCl
  • Concentration 1,000 µg/mL
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: PLRU3-2X

Ruthenium, 1,000 µg/mL, for AA and ICP (500 mL)

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  • Brand Spex
  • Matrix 10% HCl
  • Concentration 1,000 µg/mL
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: PLRU3-2M

Ruthenium, 1,000 µg/mL, for AA and ICP (30 mL)

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  • Brand Spex
  • Matrix 10% HCl
  • Concentration 1,000 µg/mL
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: PLRH3-2Y

Rhodium, 1,000 µg/mL, for AA and ICP (125 mL)

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  • Brand Spex
  • Matrix 10% HCl
  • Concentration 1,000 µg/mL
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: PLRH3-2X

Rhodium, 1,000 µg/mL, for AA and ICP (500 mL)

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  • Brand Spex
  • Matrix 10% HCl
  • Concentration 1,000 µg/mL
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: PLRH3-2M

Rhodium, 1,000 µg/mL, for AA and ICP (30 mL)

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  • Brand Spex
  • Matrix 10% HCl
  • Concentration 1,000 µg/mL
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: PLRE9-2Y

Rhenium, 1,000 µg/mL, for AA and ICP (125 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: PLRE9-2X

Rhenium, 1,000 µg/mL, for AA and ICP (500 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: PLRE9-2M

Rhenium, 1,000 µg/mL, for AA and ICP (30 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: PLRB2-2Y

Rubidium, 1,000 µg/mL, for AA and ICP (125 mL)

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