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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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4,644 Items found

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Drinking Water pH PT Express, 1 x 250 mL Drinking Water pH PT Express, 1 x 250 mL
SKU: QCI-083B

Drinking Water pH PT Express, 1 x 250 mL

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  • Brand NSI
  • Matrix Water
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Drinking Water pH QC Drinking Water pH QC
SKU: QCI-083

Drinking Water pH QC

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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Full DMRQA Set Full DMRQA Set
SKU: QCI-082K

Full DMRQA Set

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  • Brand NSI
  • Certification Single: Grav. w/Analytical Confirmation
  • Raw Material >95% min; as available
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GGA Concentrate Snips™ GGA Concentrate Snips™
SKU: QCI-081SNIP

GGA Concentrate Snips™

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  • Brand NSI
  • Concentration 300 mg/L
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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GGA High Concentraton Snips™ CRM GGA High Concentraton Snips™ CRM
SKU: QCI-081HSNIP

GGA High Concentraton Snips™ CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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Residue in Wastewater PT Express, 2 x 500mL Residue in Wastewater PT Express, 2 x 500mL
SKU: QCI-079B

Residue in Wastewater PT Express, 2 x 500mL

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  • Brand NSI
  • Matrix Water
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Silica Concentrate - Blind Silica Concentrate - Blind
SKU: QCI-073B

Silica Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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Silica QC Concentrate CRM Silica QC Concentrate CRM
SKU: QCI-073

Silica 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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Complex Nutrients QC CRM Complex Nutrients QC CRM
SKU: QCI-064

Complex Nutrients QC CRM

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  • Brand NSI
  • Raw Material >95% min
  • Certification Single: Grav. w/Analytical Confirmation
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Simple Nutrients QC CRM (4 x 500 mL) Simple Nutrients QC CRM (4 x 500 mL)
SKU: QCI-063C

Simple Nutrients QC CRM (4 x 500 mL)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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Simple Nutrients QC CRM Simple Nutrients QC CRM
SKU: QCI-063

Simple Nutrients QC CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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Demand - Ready To Use Reference Material (4 x 1000 mL) Demand - Ready To Use Reference Material (4 x 1000 mL)
SKU: QCI-062C

Demand - Ready To Use Reference Material (4 x 1000 mL)

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