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Certified Reference Materials for Drinking Water Analysis

Drinking water is susceptible to numerous harmful contaminants, prompting the EPA to establish rigorous regulations for more than 90 pollutants, including microorganisms, inorganic chemicals, organic chemicals, disinfectants, and disinfection by-products.

We provide an extensive range of certified reference materials (CRMs) tailored for comprehensive drinking water analysis. Offerings include drinking water pH standards and testing standards for residual free chlorine, turbidity, trace metals, mercury, fluoride, and nitrite.

Our drinking water standards are essential for maintaining water quality, safeguarding public health, and supporting accurate, reliable laboratory analysis.

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SKU: ICP-200.7-1-B

1 Component ICP Standard for EPA 200.7 in 2% HNO3 Solution B

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  • Brand HPS
  • Matrix 2% HNO3
  • Concentration 500 µg/mL (500 ppm)
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: ICP-200.7-1-A

8 Component ICP Standard for EPA 200.7 in 2% HNO3 Solution A

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  • Brand HPS
  • Matrix 2% HNO3
  • Concentration Multiple
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: ICP-200.7-10

25 Component ICP Standard for EPA 200.7 in 5% HNO3

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  • Brand HPS
  • Matrix 5% HNO3
  • Concentration Multiple
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: ICP-200.7-1

9 Component ICP Standard for EPA 200.7 in 2% HNO3

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  • Brand HPS
  • Matrix 2% HNO3
  • Concentration Multiple
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: IC-OX-M

Oxalate at 1,000 µg/mL in H2O

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  • Brand HPS
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • Raw Material Three 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
SKU: IC-OX

Oxalate at 100 µg/mL in H2O

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  • Brand HPS
  • Matrix H2O
  • Concentration 100 µg/mL
  • Raw Material Three 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
SKU: IC-NO-10M

Nitrate from Sodium Nitrate at 10,000 µg/mL in H2Ov

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  • Brand HPS
  • Matrix H2O
  • Concentration 10,000 µg/mL
  • Raw Material Three 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
SKU: IC-NH3-N-M

Ammonia as Nitrogen from Ammonium Chloride at 1,000 µg/mL in H2O

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  • Brand HPS
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • Raw Material Three 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
SKU: IC-NH3-N

Ammonia as Nitrogen from Ammonium Chloride at 100 µg/mL in H2O

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  • Brand HPS
  • Matrix H2O
  • Concentration 100 µg/mL
  • Raw Material Three 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
SKU: IC-N

Nitrite from Sodium Nitrite at 100 µg/mL in H2O

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  • Brand HPS
  • Matrix H2O
  • Concentration 100 µg/mL
  • Raw Material Three 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
  • Top rated
SKU: ICMIX6-100

IC Instrument Ion Anion Check Standard 6 (125 mL)

  • CCL
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  • Brand Spex
  • Matrix H2O
  • Concentration 150 µg/mL
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
  • Top rated
SKU: ICMIX5-100

IC Instrument Ion Cation Check Standard 5 (125 mL)

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  • Brand Spex
  • Matrix 2% HNO3
  • Concentration 1,600 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
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