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Proficiency Testing - Analytical Technique

We offer Proficiency Testing products for a variety of testing schemes for both quantitative and qualitative test performance.
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Fluoride - Blind Fluoride - Blind
SKU: QCI-193B

Fluoride - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
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Dissolved Oxygen - Blind Dissolved Oxygen - Blind
SKU: QCI-192B

Dissolved Oxygen - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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Ignitability - Blind Ignitability - Blind
SKU: QCI-191B

Ignitability - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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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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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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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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Uranium Concentrate - Blind Uranium Concentrate - Blind
SKU: QCI-143B

Uranium Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
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Corrosivity - Blind Corrosivity - Blind
SKU: QCI-142B

Corrosivity - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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Orthophosphate-P Concentrate - Blind Orthophosphate-P Concentrate - Blind
SKU: QCI-141B

Orthophosphate-P 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 Concentrate - Blind Nitrite-N Concentrate - Blind
SKU: QCI-140B

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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Complex Nutrients Concentrate - Blind Complex Nutrients Concentrate - Blind
SKU: QCI-139B

Complex Nutrients Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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Simple Nutrients Concentrate - Blind Simple Nutrients Concentrate - Blind
SKU: QCI-138B

Simple Nutrients Concentrate - Blind

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