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Analytical Reference Materials

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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9,926 Items found

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SKU: MIC-QC13

Drinking Water Enterococci 10 Sample Set

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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SKU: QCO-104

Alcohols in Drinking Water QC Sample

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  • Brand NSI
  • Matrix Water
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SKU: FMQC-007

Qualitative Listeria Non-Pathogenic PT, Set of 3 Samples, supplied with hydration fluid

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  • Brand NSI
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SKU: FM-733

Microbe Cocktail with Yeast/Mold

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  • Brand NSI
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SKU: CMPT-020B

Heavy Metals in Hemp PT Express (2 pack)

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  • Brand NSI
  • Certification Single: Gravimetric w/ICP Confirmation
  • Matrix Hemp
  • Raw Material >95% min; as available
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SKU: QCI-012

Residual Free Chlorine QC Concentrate CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: C-964

CA Pesticide Mix 2A, 1000 µg/mL in Acetonitrile:Methanol 1:1, 1.5 mL

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  • Brand NSI
  • Matrix Acetonitrile:Methanol 1:1
  • Raw Material min 95%
  • Certification Grav. &/or Volume w/Analytical Confirmation
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SKU: C-961

NV Pesticide Standard #2, 1000 µg/mL in Acetonitrile, 1.5 mL

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  • Brand NSI
  • Matrix Acetonitrile
  • Raw Material min 95%
  • Certification Grav. &/or Volume w/Analytical Confirmation
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SKU: C-962

Naled, 1000 µg/mL in Acetonitrile, 1.5 mL

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  • Brand NSI
  • Matrix Acetonitrile
  • Raw Material min 95%
  • Certification Grav. &/or Volume w/Analytical Confirmation
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SKU: C-963

OR and WA LC Pesticide Mix 1, 1000 µg/mL in Acetonitrile:Methanol 1:1, 1.5 mL

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  • Brand NSI
  • Matrix Acetonitrile:Methanol 1:1
  • Raw Material min 95%
  • Certification Grav. &/or Volume w/Analytical Confirmation
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SKU: C-966

Spinosad, 1000 µg/mL in 1:1 Acetonitrile:Methanol 1:1, 1.5 mL

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  • Brand NSI
  • Matrix Acetonitrile:Methanol 1:1
  • Raw Material min 95%
  • Certification Grav. &/or Volume w/Analytical Confirmation
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SKU: C-967

CA Pesticide Mix 3, 1000 µg/mL in Acetonitrile, 1.5 mL

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  • Brand NSI
  • Matrix Acetonitrile
  • Raw Material min 95%
  • Certification Grav. &/or Volume w/Analytical Confirmation
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