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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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Turbidity QC Check Standards 25 NTU (500 mL) Turbidity QC Check Standards 25 NTU (500 mL)
SKU: QCI-154

Turbidity QC Check Standards 25 NTU (500 mL)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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Turbidity QC Check Standards 50 NTU (500 mL) Turbidity QC Check Standards 50 NTU (500 mL)
SKU: QCI-153

Turbidity QC Check Standards 50 NTU (500 mL)

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  • Brand NSI
  • Concentration 50 NTU
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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Turbidity QC Check Standards 100 NTU (500 mL) Turbidity QC Check Standards 100 NTU (500 mL)
SKU: QCI-152

Turbidity QC Check Standards 100 NTU (500 mL)

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  • Brand NSI
  • Concentration 100 NTU
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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Stable Sulfide Standard 10mg/mL Stable Sulfide Standard 10mg/mL
SKU: QCI-147

Stable Sulfide Standard 10mg/mL

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  • Brand NSI
  • Concentration 10mg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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Stable Sulfide Standard 1mg/mL Stable Sulfide Standard 1mg/mL
SKU: QCI-147L

Stable Sulfide Standard 1mg/mL

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  • Brand NSI
  • Concentration 1mg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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Perchlorate Concentrate - Blind Perchlorate Concentrate - Blind
SKU: QCI-146B

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 CRM Perchlorate QC Concentrate CRM
SKU: QCI-146

Perchlorate 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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Hardness QC (4 x 250 mL) Hardness QC (4 x 250 mL)
SKU: QCI-145C

Hardness QC (4 x 250 mL)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
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Hardness - Blind Hardness - Blind
SKU: QCI-145B

Hardness - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
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Hardness QC Hardness QC
SKU: QCI-145

Hardness QC

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
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Vanadium Concentrate - Blind Vanadium Concentrate - Blind
SKU: QCI-144B

Vanadium Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
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Vanadium QC Concentrate CRM Vanadium QC Concentrate CRM
SKU: QCI-144

Vanadium 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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