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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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2,788 Items found

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pH Drinking Water Inorganic Standard pH Drinking Water Inorganic Standard
SKU: PEI-083

pH Drinking Water Inorganic Standard

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Silica Drinking Water Inorganic Standard Silica Drinking Water Inorganic Standard
SKU: PEI-073

Silica Drinking Water Inorganic Standard

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Inorganics Drinking Water Inorganic Standard Inorganics Drinking Water Inorganic Standard
SKU: PEI-041

Inorganics Drinking Water Inorganic Standard

  • CCL
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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
EPA WS Inorganics Kit EPA WS Inorganics Kit
SKU: PEI-020K

EPA WS Inorganics Kit

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Full NELAC WS Inorganics Kit Full NELAC WS Inorganics Kit
SKU: PEI-018K

Full NELAC WS Inorganics Kit

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Inorganic Disinfection By-Products Drinking Water Inorganic Standard Inorganic Disinfection By-Products Drinking Water Inorganic Standard
SKU: PEI-017

Inorganic Disinfection By-Products Drinking Water Inorganic Standard

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
Trace Metals Drinking Water Inorganic Standard Trace Metals Drinking Water Inorganic Standard
SKU: PEI-016

Trace Metals Drinking Water Inorganic Standard

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
Cyanide Drinking Water Inorganic Standard Cyanide Drinking Water Inorganic Standard
SKU: PEI-015

Cyanide Drinking Water Inorganic Standard

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  • Brand NSI
  • Certification Single: Grav. w/Analytical Confirmation
  • Concentration 0.1 - 0.5 mg/L
  • Raw Material >95% min; as available
Turbidity Drinking Water Inorganic Standard Turbidity Drinking Water Inorganic Standard
SKU: PEI-014

Turbidity Drinking Water Inorganic Standard

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
TOC/DOC Drinking Water Inorganic Standard TOC/DOC Drinking Water Inorganic Standard
SKU: PEI-013

TOC/DOC Drinking Water Inorganic Standard

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Residual Free Chlorine Drinking Water Inorganic Standard Residual Free Chlorine Drinking Water Inorganic Standard
SKU: PEI-012

Residual Free Chlorine Drinking Water Inorganic Standard

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
7 Component Dutch 7 PCB Congeners Mix, 1 mL 7 Component Dutch 7 PCB Congeners Mix, 1 mL
SKU: PCB-MD7C-A1

7 Component Dutch 7 PCB Congeners Mix, 1 mL

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  • Brand HPS
  • Matrix Isooctane
  • Concentration 100 µg/mL
  • Certification Single: Gravimetric
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