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  • Certified for environmental methods — plate counts, MPN
  • COA includes expected values for multiple methods
  • Robust — lyophilized technique ensures strong recovery, even for 44.5 ºC coliform methods
  • Unique — multi-organism CRM covers six methods in a single pellet (MIC-UNV-10)

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Wastewater

Manufactured from the highest purity water and analytically verified neat source materials. Our certified reference materials are ISO 17034 accredited.

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Complex Nutrients QC Concentrate Complex Nutrients QC Concentrate
SKU: QCI-139

Complex Nutrients QC Concentrate

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

Simple Nutrients QC Concentrate CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Hardness QC CRM (4 x 250 mL) Hardness QC CRM (4 x 250 mL)
SKU: QCI-137C

Hardness QC CRM (4 x 250 mL)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
Hardness - Blind Hardness - Blind
SKU: QCI-137B

Hardness - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
Hardness QC CRM Hardness QC CRM
SKU: QCI-137

Hardness QC CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
Minerals QC CRM (4 x 500 mL) Minerals QC CRM (4 x 500 mL)
SKU: QCI-136C

Minerals QC CRM (4 x 500 mL)

  • CCL
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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Minerals - Blind Minerals - Blind
SKU: QCI-136B

Minerals - Blind

  • CCL
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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Minerals QC CRM Minerals QC CRM
SKU: QCI-136

Minerals QC CRM

  • CCL
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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Wastewater Bromide Concentrate - Blind Wastewater Bromide Concentrate - Blind
SKU: QCI-134B

Wastewater Bromide Concentrate - Blind

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  • Brand NSI
  • Concentration 1.0 - 10 mg/L
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
Wastewater Bromide QC Concentrate CRM Wastewater Bromide QC Concentrate CRM
SKU: QCI-134

Wastewater Bromide QC Concentrate CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
Drinking Water Color - Blind Drinking Water Color - Blind
SKU: QCI-131B

Drinking Water Color - Blind

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