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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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9,385 Items found

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SKU: 13166.43-100-ME

Rifaximin; 100 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
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SKU: 13166.43-500-ME

Rifaximin; 500 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 500 µg/mL
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SKU: 13166.43-500MEX2

Rifaximin; 500 µg/mL in methanol; 1 mL x 2

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  • Brand Chiron
  • Matrix methanol
  • Concentration 500 µg/mL
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SKU: 13166.43-K-ME

Rifaximin; 1000 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg/mL
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SKU: 13167.41-100-ME

Tildipirosin ; 100 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
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SKU: 13167.41-10MG

Tildipirosin ; neat; 10 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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SKU: 13167.41-K-ME

Tildipirosin ; 1000 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg/mL
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SKU: 13170.10-100-ME

Sulfaclozine; 100 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
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SKU: 13170.10-500-ME

Sulfaclozine; 500 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 500 µg/mL
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SKU: 13170.10-500MEX2

Sulfaclozine; 500 µg/mL in methanol; 1 mL x 2

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  • Brand Chiron
  • Matrix methanol
  • Concentration 500 µg/mL
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SKU: 13171.15-100-DS

Desacetyl cephapirin sodium salt; 100 µg conj. base/mL in DMSO; 1 mL

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  • Brand Chiron
  • Matrix DMSO
  • Concentration 100 µg conj. base/mL
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SKU: 13171.15-5MG

Desacetyl cephapirin sodium salt; neat; 5 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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