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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: PH-BUFF6-500

pH 6 Certified Buffer Standard, 6 SI Units in H2O (500 mL)

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  • Brand Spex
  • Concentration 6 SI Units
  • Matrix H2O
  • Raw Material Five 9s & Purification
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SKU: PH-BUFF9-500

pH 9 Certified Buffer Standard, 9 SI Units in H2O (500 mL)

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  • Brand Spex
  • Concentration 9 SI Units
  • Matrix H2O
  • Raw Material Five 9s & Purification
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SKU: PH-BUFF10-500

pH 10 Certified Buffer Standard, 10 SI Units in H2O (500 mL) Blue in color

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  • Concentration 10 SI Units
  • Matrix H2O
  • Raw Material Five 9s & Purification
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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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