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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: PLLA2-2X

Lanthanum, 1,000 µg/mL, for AA and ICP (500 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
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  • Top rated
SKU: PLLA2-2M

Lanthanum, 1,000 µg/mL, for AA and ICP (30 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
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  • Top rated
SKU: PLK2-3Y

Potassium, 10,000 µg/mL, for AA and ICP (125 mL)

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  • Brand Spex
  • Matrix 5% HNO3
  • Concentration 10,000 µg/mL
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
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  • Top rated
SKU: PLK2-3X

Potassium, 10,000 µg/mL, for AA and ICP (500 mL)

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  • Brand Spex
  • Matrix 5% HNO3
  • Concentration 10,000 µg/mL
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
Quick View
  • Top rated
SKU: PLK2-2Y

Potassium, 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
Quick View
  • Top rated
SKU: PLK2-2X

Potassium, 1,000 µg/mL, for AA and ICP (500 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
Quick View
  • Top rated
SKU: PLK2-2T

Potassium, 1,000 µg/mL, for AA and ICP (250 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
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  • Top rated
SKU: PLK2-2M

Potassium, 1,000 µg/mL, for AA and ICP (30 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
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  • Top rated
SKU: PLK1-3X

Potassium, 10,000 µg/mL, for AA and ICP (500 mL)

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  • Brand Spex
  • Matrix 5% HCl
  • Concentration 10,000 µg/mL
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
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  • Top rated
SKU: PLK1-2X

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

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  • Brand Spex
  • Matrix 2% 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
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  • Top rated
SKU: PLIR3-2Y

Iridium, 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
Quick View
  • Top rated
SKU: PLIR3-2X

Iridium, 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
Quick View
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