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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: 12072.46-K-ME

Tilmicosin; 1000 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg/mL
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SKU: 12073.12-100-ME

Nalidixic acid; 100 µg/mL in 0.04M NaOH in MeOH; 1 mL

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  • Brand Chiron
  • Matrix 0.04M NaOH in MeOH
  • Concentration 100 µg/mL
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SKU: 12073.12-100MG

Nalidixic acid; neat; 100 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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SKU: 12073.12-500-ME

Nalidixic acid; 500 µg/mL in 0.04M NaOH in MeOH; 1 mL

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  • Brand Chiron
  • Matrix 0.04M NaOH in MeOH
  • Concentration 500 µg/mL
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SKU: 12073.12-500MEX2

Nalidixic acid; 500 µg/mL in 0.04M NaOH in MeOH; 1 mL x 2

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  • Brand Chiron
  • Matrix 0.04M NaOH in MeOH
  • Concentration 500 µg/mL
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SKU: 12074.14-100-ME

Flumequine; 100 µg/mL in 0.04M NaOH in MeOH; 1 mL

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  • Brand Chiron
  • Matrix 0.04M NaOH in MeOH
  • Concentration 100 µg/mL
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SKU: 12074.14-250MG

Flumequine; neat; 250 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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SKU: 12074.14-500-ME

Flumequine; 500 µg/mL in 0.04M NaOH in MeOH; 1 mL

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  • Brand Chiron
  • Matrix 0.04M NaOH in MeOH
  • Concentration 500 µg/mL
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SKU: 12074.14500MEX2

Flumequine; 500 µg/mL in 0.04M NaOH in MeOH; 1 mL x 2

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  • Brand Chiron
  • Matrix 0.04M NaOH in MeOH
  • Concentration 500 µg/mL
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SKU: 12075.21-100-ME

Difloxacin hydrochloride; 100 µg base/mL in 0.04M NaOH in MeOH; 1 mL

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  • Brand Chiron
  • Matrix 0.04M NaOH in MeOH
  • Concentration 100 µg base/mL
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SKU: 12075.21-250MG

Difloxacin hydrochloride; neat; 250 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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SKU: 12075.21-500-ME

Difloxacin hydrochloride; 500 µg base/mL in 0.04M NaOH in MeOH; 1 mL

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  • Brand Chiron
  • Matrix 0.04M NaOH in MeOH
  • Concentration 500 µg base/mL
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