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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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2,214 Items found

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Inorganics QC CRM (4 x 500 mL) Inorganics QC CRM (4 x 500 mL)
SKU: QCI-041C

Inorganics 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
Inorganics - Blind Inorganics - Blind
SKU: QCI-041B

Inorganics - Blind

  • CCL
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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Inorganics QC CRM Inorganics QC CRM
SKU: QCI-041

Inorganics QC CRM

  • CCL
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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: QCI-019K

Full NELAC WS Inorganics Kit

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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: QCI-018K

EPA 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 Concentrate - Blind Inorganic Disinfection By-Products Concentrate - Blind
SKU: QCI-017B

Inorganic Disinfection By-Products Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
Inorganic Disinfection By-Products Concentrate CRM Inorganic Disinfection By-Products Concentrate CRM
SKU: QCI-017

Inorganic Disinfection By-Products Concentrate CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
Trace Metals Concentrate - Blind Trace Metals Concentrate - Blind
SKU: QCI-016B

Trace Metals Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
Trace Metals QC Concentrate CRM Trace Metals QC Concentrate CRM
SKU: QCI-016

Trace Metals QC Concentrate CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
Total Cyanide Concentrate - Blind Total Cyanide Concentrate - Blind
SKU: QCI-015B

Total Cyanide Concentrate - Blind

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  • Brand NSI
  • Certification Single: Grav. w/Analytical Confirmation
  • Raw Material >95% min; as available
Total Cyanide QC Concentrate CRM Total Cyanide QC Concentrate CRM
SKU: QCI-015

Total Cyanide QC Concentrate CRM

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  • Brand NSI
  • Certification Single: Grav. w/Analytical Confirmation
  • Raw Material >95% min; as available
Turbidity Concentrate - Blind Turbidity Concentrate - Blind
SKU: QCI-014B

Turbidity Concentrate - Blind

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