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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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9,926 Items found

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SKU: 775L

Enterococcus faecalis CRM

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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SKU: 678

Formaldehyde

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 936-A

Carbaryl in Acetone

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  • Brand NSI
  • Matrix Acetone
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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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: FMPT-030

Qualitative Staphylococcus aureus Enerotoxin PT, supplied with hydration fluid

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  • Brand NSI
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SKU: 8927.17-100-ME

(2S)-Iopamidol-d3 (amidohydroxypropoxy-d3); 100 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
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SKU: 8934.11-100-ME

Amidotrizoic acid-d6 (diacetamido-d3); 100 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
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SKU: 9190.7-100-ME

Theophylline-d6 (dimethyl-d6); 100 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
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SKU: 9190.7-100MG

Theophylline-d6 (dimethyl-d6); neat; 100 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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SKU: 9190.7-10MG

Theophylline-d6 (dimethyl-d6); neat; 10 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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SKU: 9191.8-100-ME

Caffeine-d3 (1-methyl-d3); 100 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
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SKU: 9191.8-10MG

Caffeine-d3 (1-methyl-d3); neat; 10 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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