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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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9,426 Items found

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SKU: 84410-92

Buffer, pH 10.00, Blue, 4 L, 17025

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  • Brand Spex
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SKU: 84410-93

Buffer, pH 10.00, Blue, 500 mL, 17025

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  • Brand Spex
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SKU: 84410-94

Buffer, pH 4.00, Red, 20 L, 17025

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  • Brand Spex
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SKU: 84410-95

Buffer, pH 4.00, Red, 4 L, 17025

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  • Brand Spex
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SKU: 84410-96

Buffer, pH 4.00, Red, 500 mL, 17025

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  • Brand Spex
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SKU: 84410-97_2

Buffer, pH 7.00, Yellow, 20 L, 17025

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  • Brand Spex
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SKU: 84410-98

Buffer, pH 7.00, Yellow, 4 L, 17025

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  • Brand Spex
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SKU: 84410-99

Buffer, pH 7.00, Yellow, 500 mL, 17025

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  • Brand Spex
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SKU: QCO-102B

NPW -Gasoline Range Organics (GRO) - Blind

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  • Brand NSI
  • Matrix Methanol solution
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: QCO-102

NPW -Gasoline Range Organics (GRO)

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: FA-M6C-A1

6 Component Fatty Acids Mix at 1,000 µg/mL in H2O, 1 mL

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  • Brand HPS
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • Certification Single: Gravimetric
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SKU: SPE-116

TPH in Soil

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