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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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Ignitability QC CRM Ignitability QC CRM
SKU: QCI-191

Ignitability QC CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
Uranium QC Concentrate CRM Uranium QC Concentrate CRM
SKU: QCI-190

Uranium QC Concentrate CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
Total Residual Chlorine Concentrate CRM 2.00 mg/L Total Residual Chlorine Concentrate CRM 2.00 mg/L
SKU: QCI-189

Total Residual Chlorine Concentrate CRM 2.00 mg/L

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  • Brand NSI
  • Concentration 2.00 mg/L
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Total Residual Chlorine Concentrate CRM 1.50 mg/L Total Residual Chlorine Concentrate CRM 1.50 mg/L
SKU: QCI-188

Total Residual Chlorine Concentrate CRM 1.50 mg/L

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  • Brand NSI
  • Concentration 1.50 mg/L
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Total Residual Chlorine Concentrate CRM 1.00 mg/L Total Residual Chlorine Concentrate CRM 1.00 mg/L
SKU: QCI-187

Total Residual Chlorine Concentrate CRM 1.00 mg/L

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  • Brand NSI
  • Concentration 1.00 mg/L
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Settleable Solids Reference Material Settleable Solids Reference Material
SKU: QCI-186-5

Settleable Solids Reference Material

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
Settleable Solids Reference Material Settleable Solids Reference Material
SKU: QCI-186-20

Settleable Solids Reference Material

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
Settleable Solids Reference Material Settleable Solids Reference Material
SKU: QCI-186-10

Settleable Solids Reference Material

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
Total Residual Chlorine Concentrate CRM 0.500 mg/L Total Residual Chlorine Concentrate CRM 0.500 mg/L
SKU: QCI-184

Total Residual Chlorine Concentrate CRM 0.500 mg/L

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  • Brand NSI
  • Concentration 0.500 mg/L
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Total Residual Chlorine Concentrate CRM 0.100 mg/L Total Residual Chlorine Concentrate CRM 0.100 mg/L
SKU: QCI-183

Total Residual Chlorine Concentrate CRM 0.100 mg/L

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  • Brand NSI
  • Concentration 0.100 mg/L
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Total Residual Chlorine Concentrate CRM 0.050 mg/L Total Residual Chlorine Concentrate CRM 0.050 mg/L
SKU: QCI-182

Total Residual Chlorine Concentrate CRM 0.050 mg/L

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  • Brand NSI
  • Concentration 0.050 mg/L
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Multi-Analyte Solids CRM Multi-Analyte Solids CRM
SKU: QCI-171

Multi-Analyte Solids CRM

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