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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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6,011 Items found

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SKU: FC-885-HIGH

Crustacean Allergen High Level Reference Material, 50 grams

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  • Brand NSI
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SKU: FC-886-LOW

Soy Allergen Low Level Reference Material, 50 grams

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  • Brand NSI
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SKU: FC-886-HIGH

Soy Allergen High Level Reference Material, 50 grams

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  • Brand NSI
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SKU: FCPT-007B

Qualitative Gluten PT Express, Set of 3, 3 x 10g samples

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  • Brand NSI
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SKU: FCPT-008B

Qualitative Peanut PT Express, Set of 3, 3 x 10g samples

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  • Brand NSI
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SKU: 10662-20

Pseudomonas aeruginosa High Level CRM 1000-2000 CFU/pellet 20PK

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  • Brand NSI
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SKU: 8167L

Klebsiella pneumoniae CRM, Low Level, <200 CFU/pellet

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  • Brand NSI
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SKU: MIC-SLUDGE-5

Fecal Coliform in Sludge QC CRM, 5 x 1 gram, 5PK

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  • Brand NSI
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SKU: FMPT-009

Qualitative STEC PT Matrix

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  • Brand NSI
  • Certification Cultural based enumeration
  • Raw Material <2 passages from primary culture
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SKU: PH-BUFF2-500

pH 2 Certified Buffer Standard, 2 SI Units in H2O (500 mL)

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  • Brand Spex
  • Concentration 2 SI Units
  • Matrix H2O
  • Raw Material Five 9s & Purification
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SKU: PH-BUFF3-500

pH 3 Certified Buffer Standard, 3 SI Units in H2O (500 mL)

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  • Brand Spex
  • Concentration 3 SI Units
  • Matrix H2O
  • Raw Material Five 9s & Purification
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SKU: PH-BUFF4-500

pH 4 Certified Buffer Standard, 4 SI Units in H2O (500 mL) Red in color

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  • Brand Spex
  • Concentration 4 SI Units
  • Matrix H2O
  • Raw Material Five 9s & Purification
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