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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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Total Chlorine Accuracy Check Snip™ 2.50ppm Total Chlorine Accuracy Check Snip™ 2.50ppm
SKU: QCI-117

Total Chlorine Accuracy Check Snip™ 2.50ppm

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  • Brand NSI
  • Concentration 2.50 mg/L
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
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Perchlorate Concentrate - Blind Perchlorate Concentrate - Blind
SKU: QCI-108B

Perchlorate Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
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Perchlorate QC Concentrate Perchlorate QC Concentrate
SKU: QCI-108

Perchlorate QC Concentrate

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
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TOX Concentrate - Blind TOX Concentrate - Blind
SKU: QCI-104B

TOX Concentrate - Blind

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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TOX QC Concentrate CRM TOX QC Concentrate CRM
SKU: QCI-104

TOX QC Concentrate CRM

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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Silica Concentrate - Blind Silica Concentrate - Blind
SKU: QCI-101B

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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Nitrite-N Concentrate - Blind Nitrite-N Concentrate - Blind
SKU: QCI-100B

Nitrite-N Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
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Nitrite-N QC Concentrate CRM Nitrite-N QC Concentrate CRM
SKU: QCI-100

Nitrite-N QC Concentrate CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
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Acidity - Blind Acidity - Blind
SKU: QCI-099B

Acidity - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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Low Level Total Residual Chlorine Concentrate - Blind Low Level Total Residual Chlorine Concentrate - Blind
SKU: QCI-096B

Low Level Total Residual Chlorine Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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Low Level Total Residual Chlorine QC Concentrate CRM Low Level Total Residual Chlorine QC Concentrate CRM
SKU: QCI-096

Low Level Total Residual 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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Hexavalent Chromium Concentrate - Blind Hexavalent Chromium Concentrate - Blind
SKU: QCI-095B

Hexavalent Chromium Concentrate - Blind

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