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Analytical Technique

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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5,916 Items found

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SKU: S21-300Y

MULTI-STANDARD S21, 21 ELEMENTS AT 300UG/G, 100G

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 300 µg/g
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SKU: S21-100Z

MULTI-STANDARD S21, 21 ELEMENTS AT 100UG/G, 50G

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 100 µg/g
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SKU: S21-100Y

MULTI-STANDARD S21, 21 ELEMENTS AT 100UG/G, 100G

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 100 µg/g
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SKU: KER-BLK-G

Kerosene Blank (1 Gallon)

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  • Brand Spex
  • Matrix Kerosene
  • Concentration Blank
  • Measured Impurities 37 Impurities to ppm
  • Certification Blank Confirmed by ICP
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SKU: KER-BLK

Kerosene Blank (500 mL)

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  • Brand Spex
  • Matrix Kerosene
  • Concentration Blank
  • Measured Impurities 37 Impurities to ppm
  • Certification Blank Confirmed by ICP
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SKU: FM-750

Microbe Cocktail – Yeast/Mold/B. cereus

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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SKU: FM-734

Yeast and Mold for 3M Petrifilm™

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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SKU: FM-733

Microbe Cocktail with Yeast/Mold

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  • Brand NSI
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SKU: FM-714

Rapid Mold for 3M Petrifilm™

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  • Brand NSI
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SKU: FM-713

Rapid Yeast for 3M Petrifilm™

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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SKU: FM-712

Staph Express

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  • Brand NSI
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SKU: FM-711

Total Enterobacteriaceae for 3M Petrifilm™

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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