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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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5,992 Items found

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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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SKU: 93

Endosulfan I

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  • Brand NSI
  • Certification Gravimetric and/or Volumetric
  • Concentration 1000 µg/mL
  • Matrix Ethyl acetate
  • Raw Material >95% min; as available
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SKU: QCI-147

Stable Sulfide Standard 10mg/mL

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  • Brand NSI
  • Concentration 10mg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: QCI-147L

Stable Sulfide Standard 1mg/mL

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  • Brand NSI
  • Concentration 1mg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: CMPT-047B

Foreign Material in Hemp

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: CMPT-047

Foreign Material in Hemp

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: UD-9027

Unit Dose™ Pseudomonas paraeruginosa

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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SKU: UD-9001

Unit Dose™ Escherichia coli

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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SKU: UD-8739

Unit Dose™ Escherichia coli

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