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Analytical Reference Materials

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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9,925 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: 8107.10-K-T

1,4-Naphthoquinone; 1000 µg/mL in toluene; 1 mL

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  • Brand Chiron
  • Concentration 1000 µg/mL
  • Matrix isooctane
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SKU: 1400.3-K-IO

Trimethylphosphate; 1000 µg/mL in isooctane; 1 mL

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  • Brand Chiron
  • Matrix Isooctane
  • Raw Material 94.5% min.
  • Certification Grav. &/or Volume w/Analytical Confirmation
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SKU: 8026.6-K-IO

Triethylphosphate; 1000 µg/mL in isooctane; 1 mL

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  • Brand Chiron
  • Matrix Isooctane
  • Raw Material 94.5% min.
  • Certification Grav. &/or Volume w/Analytical Confirmation
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SKU: 8027.9-100MG

Tri-n-propylphosphate; neat; 100 mg

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  • Brand Chiron
  • Matrix Neat
  • Raw Material 94.5% min.
  • Certification Grav. &/or Volume w/Analytical Confirmation
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