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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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SKU: ORG-AG8-2Z

Silver 1,000 µg/mL (1,000 ppm) (50 g)

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 1,000 µg/mL
  • Top rated
  • KIT
SKU: MXSTD-SETAN

Assurance® Calibration Standards without Mercury for AA & ICP (125 mL)

  • CCL
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  • Brand Spex
  • Matrix Multiple
  • Concentration 5 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SKU: MXSTD4A-100N

Assurance® Mixed Calibration Standard 4A without Mercury for AA & ICP (125 mL)

  • CCL
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  • Brand Spex
  • Matrix 5% HNO3/tr. HF
  • Concentration 40 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
SKU: ORG-MO8-4Z

Molybdenum 5,000 µg/mL (5,000 ppm) (50 g)

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 5,000 µg/mL
SKU: ORG-NA8-2Z

Sodium 1,000 µg/mL (1,000 ppm) (50 g)

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  • Brand Spex
  • Matrix Base Oil 20
  • Concentration 1,000 µg/mL
SKU: ORG-NA8-4Z

Sodium 5,000 µg/mL (5,000 ppm) (50 g)

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 5,000 µg/mL
SKU: ORG-NI8-2Z

Nickel 1,000 µg/mL (1,000 ppm) (50 g)

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 1,000 µg/mL
SKU: ORG-NI8-4Z

Nickel 5,000 µg/mL (5,000 ppm) (50 g)

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 5,000 µg/mL
SKU: ORG-P8-2Z

Phosphorus 1,000 µg/mL (1,000 ppm) (50 g)

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 1,000 µg/mL
SKU: ORG-P8-4Z

Phosphorus 5,000 µg/mL (5,000 ppm) (50 g)

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 5,000 µg/mL
SKU: ORG-CR8-2Z

Chromium 1,000 µg/mL (1,000 ppm) (50 g)

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 1,000 µg/mL
SKU: ORG-CR8-4Z

Chromium 5,000 µg/mL (5,000 ppm) (50 g)

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 5,000 µg/mL
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