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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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5,976 Items found

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SKU: QCI-197B

Low Level Fluoride in Drinking Water PT Express *ECCN* 2 x 250mL

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  • Brand NSI
  • Matrix Water
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SKU: QCI-079B

Residue in Wastewater PT Express, 2 x 500mL

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  • Brand NSI
  • Matrix Water
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SKU: QCI-083B

Drinking Water pH PT Express, 1 x 250 mL

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  • Brand NSI
  • Matrix Water
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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: TX-1005WQC

Texas TPH in Water

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: TX-1005WPT

Texas TPH in Water

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  • Brand NSI
  • Matrix Water
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: TX-1005SQC

Texas TPH in Soil

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: TX-1005SPT

Texas TPH in Soil

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  • Brand NSI
  • Matrix Soil
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: SQCI-141

Perchlorate in Soil

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
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SKU: SQCI-140

TPH in Soil

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: SQCI-018

Sulfide in Soil

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