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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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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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