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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: 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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SKU: 12075.21-500MEX2

Difloxacin hydrochloride; 500 µg base/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 base/mL
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SKU: 12076.17-100-ME

Marbofloxacin; 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: 12076.17-500-ME

Marbofloxacin; 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: 12077.21-100-HCL

Streptomycin sulfate; 100 µg base/mL in 0.1 M HCl; 1 mL

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  • Brand Chiron
  • Matrix 0.1 M HCl
  • Concentration 100 µg base/mL
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SKU: 12077.21-K-HCL

Streptomycin sulfate; 1000 µg base/mL in 0.1 M HCl; 1 mL

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  • Brand Chiron
  • Matrix 0.1 M HCl
  • Concentration 1000 µg base/mL
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SKU: 12078.1-100-ME

Semicarbazide hydrochloride; 100 µg base/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg base/mL
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SKU: 12078.1-500-MEX2

Semicarbazide hydrochloride; 500 µg base/mL in methanol; 1 mL x 2

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  • Brand Chiron
  • Matrix methanol
  • Concentration 500 µg base/mL
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SKU: 12078.1-K-ME

Semicarbazide hydrochloride; 1000 µg base/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg base/mL
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SKU: 12080.18-10MG

Levofloxacin; neat; 10 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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SKU: 12083.11-10MG

Felbamate; neat; 10 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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SKU: 12083.11-2K-ME

Felbamate; 2000 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 2000 µg/mL
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