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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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2,958 Items found

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SKU: 1379

tert-Amyl methyl ether

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  • Brand NSI
  • Certification Gravimetric and/or Volumetric
  • Concentration 2000 µg/mL
  • Matrix Methanol
  • Raw Material >95% min
SKU: S-640-PK

Butyl Carbitol Acetate, 1000 µg/mL in Methanol-P&T (4 x 1 mL)

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  • Brand Spex
  • Concentration 1000 µg/mL
  • Matrix Methanol P&T
SKU: 194

2-Fluorobiphenyl

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  • Brand NSI
  • Certification Gravimetric and/or Volumetric
  • Concentration 10,000 µg/mL
  • Matrix Methylene Chloride
  • Raw Material >95% min
SKU: 1105

n-Butylbenzene

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  • Brand NSI
  • Certification Gravimetric and/or Volumetric
  • Concentration 1000 µg/mL
  • Matrix Methanol
  • Raw Material >95% min
SKU: 93

Endosulfan I

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  • Brand NSI
  • Certification Gravimetric and/or Volumetric
  • Concentration 1000 µg/mL
  • Matrix Ethyl acetate
  • Raw Material >95% min; as available
SKU: 1470L

1-Bromo-2-nitrobenzene

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  • Brand NSI
  • Certification Gravimetric and/or Volumetric
  • Concentration 1000 µg/mL
  • Matrix Acetone
  • Raw Material >95% min
SKU: IC-7-2

7 Anion Standard 2 (125mL)

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  • Brand NSI
  • Matrix Water
  • Concentration 1000 mg/L
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
SKU: IC-7-1

7 Anion Standard 1 (125mL)

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  • Brand NSI
  • Matrix Water
  • Concentration 1000 mg/L
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
SKU: IC-6-1

6 Cation Standard (125 mL)

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  • Brand NSI
  • Matrix Water
  • Concentration 1000 mg/L
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: IC-5-1

6 Anion Standard (125 mL)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
SKU: 360L

Carbon Tetrachloride

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