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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: QCI-170

Drinking Water Fluoride QC

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

Corrosivity QC

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

Orthophosphate-P QC Concentrate

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  • Brand NSI
  • Matrix Water
  • Concentration 0.5 to 5.5 mg/L
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
SKU: QCI-140

Nitrite-N QC Concentrate

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
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
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
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
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
  • Top rated
SKU: AS-F9-1Y

Fluoride (F)- Single-Element Ion Anion Standard, 100 µg/mL (100 ppm) (125 mL)

  • CCL
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  • Brand Spex
  • Matrix H2O
  • Concentration 100 µg/mL
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
  • Top rated
SKU: AS-F9-1X

Fluoride (F)- Single-Element Ion Anion Standard, 100 µg/mL (100 ppm) (500 mL)

  • CCL
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  • Brand Spex
  • Matrix H2O
  • Concentration 100 µg/mL
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
  • Top rated
SKU: AS-F9-1AY

Fluoride (F-) Single-Element Ion Selective Electrode Standard, 10 µg/mL (10 ppm) (125 mL)

  • CCL
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  • Brand Spex
  • Matrix H2O
  • Concentration 10 µg/mL
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
  • Top rated
SKU: AS-F9-1AX

Fluoride (F-) Single-Element Ion Selective Electrode Standard, 10 µg/mL (10 ppm) (500 mL)

  • CCL
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  • Brand Spex
  • Matrix H2O
  • Concentration 10 µg/mL
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
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