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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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5,916 Items found

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SKU: QC-22-500

AA/ICP QUALITY CONTROL STANDARD 22

  • CCL
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  • Brand Spex
  • Matrix 5% HNO3/tr. Tartaric Acid/tr. HF
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SKU: QC-22-250

AA/ICP QUALITY CONTROL STANDARD 22

  • CCL
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  • Brand Spex
  • Matrix 5% HNO3/tr. Tartaric Acid/tr. HF
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SKU: QC-21-500

QUALITY CONTROL STANDARD 21 HNO3 (500 mL)

  • CCL
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  • Brand Spex
  • Matrix 5% HNO3/tr. Tartaric Acid/tr. HF
  • Concentration 100 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SKU: QC-21-250

QUALITY CONTROL STANDARD 21 HNO3 (250ML)

  • CCL
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  • Brand Spex
  • Matrix 5% HNO3/tr. Tartaric Acid/tr. HF
  • Concentration 100 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SKU: QC-21

QUALITY CONTROL STANDARD 21 HNO3 (125ml)

  • CCL
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  • Brand Spex
  • Matrix 5% HNO3/tr. Tartaric Acid/tr. HF
  • Concentration 100 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
SKU: QC-116B

TPH in Water - Blind

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  • Brand NSI
  • Matrix Water
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: QC-116

TPH in Water

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  • Brand NSI
  • Certification Single: Gravimetric and/or Volumetric
SKU: QC-115B

Diesel in Water - Blind

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  • Brand NSI
  • Matrix Water
  • Certification Single: Gravimetric and/or Volumetric
SKU: QC-115

Diesel in Water

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  • Brand NSI
  • Matrix Water
  • Certification Single: Gravimetric and/or Volumetric
SKU: QC-114B

Gasoline in Water - Blind

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  • Brand NSI
  • Matrix Water
  • Certification Single: Gravimetric and/or Volumetric
SKU: QC-114

Gasoline in Water

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  • Brand NSI
  • Matrix Water
  • Certification Single: Gravimetric and/or Volumetric
SKU: QC-113B

PVOC in Water - Blind

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  • Brand NSI
  • Matrix Water
  • Certification Single: Gravimetric and/or Volumetric
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