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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: RB-HCL-2

2% Hydrochloric Acid Reagent Blank

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  • Brand HPS
  • Certification Single: Gravimetric
SKU: RB-HCL-5

5% Hydrochloric Acid Reagent Blank

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  • Brand HPS
  • Certification Single: Gravimetric
SKU: RB-HNO3-2

2% Nitric Acid Reagent Blank

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  • Brand HPS
  • Certification Single: Gravimetric
SKU: RB-HNO3-5

5% Nitric Acid Reagent Blank

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  • Brand HPS
  • Certification Single: Gravimetric
SKU: RB-MMA-1

Mixed Mineral Acid 2% HNO3 + 0.5% HF Reagent Blank

  • CCL
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  • Brand HPS
  • Certification Single: Gravimetric
  • Matrix 2% HNO3 + 0.5% HF
SKU: WQC-ALK-500

Calcium Carbonate Alkalinity Standard at 1,000 µg/mL in H2O (500 mL)

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  • Brand HPS
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • 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
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