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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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8,161 Items found

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Total Cyanide Concentrate - Blind Total Cyanide Concentrate - Blind
SKU: QCI-015B

Total Cyanide Concentrate - Blind

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  • Brand NSI
  • Certification Single: Grav. w/Analytical Confirmation
  • Raw Material >95% min; as available
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Total Cyanide QC Concentrate CRM Total Cyanide QC Concentrate CRM
SKU: QCI-015

Total Cyanide QC Concentrate CRM

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  • Brand NSI
  • Certification Single: Grav. w/Analytical Confirmation
  • Raw Material >95% min; as available
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Turbidity Concentrate - Blind Turbidity Concentrate - Blind
SKU: QCI-014B

Turbidity Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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Turbidity QC Concentrate CRM Turbidity QC Concentrate CRM
SKU: QCI-014

Turbidity 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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TOC/DOC Concentrate - Blind TOC/DOC Concentrate - Blind
SKU: QCI-013B

TOC/DOC Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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TOC/DOC QC Concentrate CRM TOC/DOC QC Concentrate CRM
SKU: QCI-013

TOC/DOC 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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Residual Free Chlorine Concentrate - Blind Residual Free Chlorine Concentrate - Blind
SKU: QCI-012B

Residual Free 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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Residual Free Chlorine QC Concentrate CRM Residual Free Chlorine QC Concentrate CRM
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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37mm Mixed Cellulose Ester Filter, Mid-Level w/Al 37mm Mixed Cellulose Ester Filter, Mid-Level w/Al
SKU: QC-TMFM-E

37mm Mixed Cellulose Ester Filter, Mid-Level w/Al

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  • Brand HPS
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37mm Mixed Cellulose Ester Filter, Low-Level w/Al 37mm Mixed Cellulose Ester Filter, Low-Level w/Al
SKU: QC-TMFM-D

37mm Mixed Cellulose Ester Filter, Low-Level w/Al

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  • Brand HPS
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37mm Mixed Cellulose Ester Filter, High-Level 37mm Mixed Cellulose Ester Filter, High-Level
SKU: QC-TMFM-C

37mm Mixed Cellulose Ester Filter, High-Level

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  • Brand HPS
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37mm Mixed Cellulose Ester Filter Blanks 37mm Mixed Cellulose Ester Filter Blanks
SKU: QC-TMFM-BLANKS

37mm Mixed Cellulose Ester Filter Blanks

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  • Brand HPS
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