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These products cover a variety of non-spectrographic or non-chromatographic methods, including pH, conductivity and alkalinity. Single-component IC/ISE standards may also be used as wet chemical standards. High-purity sub-boiling acid and reagents used for dilution of standards and samples are also available.


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SKU: 100012-7

Chromium +6 at 1,000 µg/mL in H2O

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  • Brand HPS
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • Measured Impurities 67 elements to ppb (product)
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: QCI-197

Low Level Fluoride QC CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
SKU: QCI-195

Nitrate-N QC Concentrate

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
SKU: QCI-194

Perchlorate Whole Volume QC

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

Dissolved Oxygen QC CRM (4 x 125 mL)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
SKU: QCI-192

Dissolved Oxygen QC CRM

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

Ignitability QC CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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
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
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
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
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
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