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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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9,421 Items found

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  • New
SKU: 24121-77

MicroPrefs® Polypropylene tablet (50-300 µm); 50-70 particles in excipient; 1 x tablet; 15249.X-50/300-TAB

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  • Brand Chiron
  • Matrix Excipient
  • Concentration 50-70 particles
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  • New
SKU: 24121-86

MicroPrefs® Tablet: Mix of PE, PET, PS (50-300 µm); 50-300 µm, 70-100 particles/tab: 1 x tablet; S-5401-50/300-TAB

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  • Brand Chiron
  • Matrix NaHCO3/Citric acid/Lactose
  • Concentration 50-300 µm, 70-100 particles/tab
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  • New
SKU: 24121-89

MicroPrefs® Tablet: Mix of PP, PVC, PC (50-300 µm); 50-300 µm, 70-100 particles/tab: 1 x tablet; S-5402-50/300-TAB

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  • Brand Chiron
  • Matrix NaHCO3/Citric acid/Lactose
  • Concentration 50-300 µm, 70-100 particles/tab
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  • New
SKU: 24121-83

MicroPrefs® Polycarbonate tablet (50-300 µm); 50-70 particles in excipient; 1 x tablet; 15251.X-50/300-TAB

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  • Brand Chiron
  • Matrix Excipient
  • Concentration 50-70 particles
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SKU: ICP-MS-68A-C

7 Component ICP-MS Standard at 10 µg/mL Solution C

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  • Brand HPS
  • Certification Single: Gravimetric w/ICP Confirmation
  • Concentration 10 µg/mL
  • Matrix 2% HCl
  • Raw Material Five 9s as available; no purification
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SKU: S-640-PK

Butyl Carbitol Acetate, 1000 µg/mL in Methanol-P&T (4 x 1 mL)

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  • Brand Spex
  • Concentration 1000 µg/mL
  • Matrix Methanol P&T
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SKU: S-2953-PK

n-Pentacontane Organic Standard, 1000 µg/mL (4 x 1 mL)

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  • Brand Spex
  • Concentration 1000 µg/mL
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SKU: 197H

2-Methyl-2-Pentanol

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  • Brand NSI
  • Certification Gravimetric and/or Volumetric
  • Concentration 20,000 µg/mL in P&T Methanol
  • Raw Material >95% min
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SKU: 1470L

1-Bromo-2-nitrobenzene

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  • Brand NSI
  • Certification Gravimetric and/or Volumetric
  • Concentration 1000 µg/mL
  • Matrix Acetone
  • Raw Material >95% min
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SKU: 1379

tert-Amyl methyl ether

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  • Brand NSI
  • Certification Gravimetric and/or Volumetric
  • Concentration 2000 µg/mL
  • Matrix Methanol
  • Raw Material >95% min
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SKU: 1105

n-Butylbenzene

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  • Brand NSI
  • Certification Gravimetric and/or Volumetric
  • Concentration 1000 µg/mL
  • Matrix Methanol
  • Raw Material >95% min
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SKU: 194

2-Fluorobiphenyl

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  • Brand NSI
  • Certification Gravimetric and/or Volumetric
  • Concentration 10,000 µg/mL
  • Matrix Methylene Chloride
  • Raw Material >95% min
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