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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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Turbidity QC Concentrate CRM Turbidity QC Concentrate CRM
SKU: QCI-092

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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MBAs Concentrate - Blind MBAs Concentrate - Blind
SKU: QCI-091B

MBAs Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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MBAs QC Concentrate MBAs QC Concentrate
SKU: QCI-091

MBAs QC Concentrate

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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Mercury Concentrate - Blind Mercury Concentrate - Blind
SKU: QCI-088B

Mercury Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
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Mercury QC Concentrate Mercury QC Concentrate
SKU: QCI-088

Mercury QC Concentrate

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
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Mercury Concentrate - Blind Mercury Concentrate - Blind
SKU: QCI-087B

Mercury Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
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Mercury QC Concentrate CRM Mercury QC Concentrate CRM
SKU: QCI-087

Mercury QC Concentrate CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
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Sulfide QC Concentrate CRM Sulfide QC Concentrate CRM
SKU: QCI-086

Sulfide 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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DMRQA Set 3 DMRQA Set 3
SKU: QCI-085K

DMRQA Set 3

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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UV254 Absorbance Concentrate - Blind UV254 Absorbance Concentrate - Blind
SKU: QCI-085B

UV254 Absorbance Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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UV254 Absorbance QC Concentrate CRM UV254 Absorbance QC Concentrate CRM
SKU: QCI-085

UV254 Absorbance 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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DMRQA Set 2 DMRQA Set 2
SKU: QCI-084K

DMRQA Set 2

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