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Drinking Water Standards

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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1,000 µg Pd/mL - 600 µg Mg(NO3)2/mL Matrix Modifier for GFAAS in 10% HNO3 + Tr HCl 1,000 µg Pd/mL - 600 µg Mg(NO3)2/mL Matrix Modifier for GFAAS in 10% HNO3 + Tr HCl
SKU: MM-9100

1,000 µg Pd/mL - 600 µg Mg(NO3)2/mL Matrix Modifier for GFAAS in 10% HNO3 + Tr HCl

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  • Brand HPS
  • Matrix 10% HNO3 & Tr HCl
  • Concentration 1,000 µg Pd/mL
  • Certification Single: Gravimetric w/ICP Confirmation
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5% NH4NO3 Matrix Modifier for GFAAS in H2O 5% NH4NO3 Matrix Modifier for GFAAS in H2O
SKU: MM-9042

5% NH4NO3 Matrix Modifier for GFAAS in H2O

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  • Brand HPS
  • Matrix H2O
  • Certification Single: Gravimetric w/ICP Confirmation
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Matrix Modifier for GFAAS in H2O 0.1% NH4NO3 Matrix Modifier for GFAAS in H2O 0.1% NH4NO3
SKU: MM-9040

Matrix Modifier for GFAAS in H2O 0.1% NH4NO3

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  • Brand HPS
  • Matrix H2O
  • Certification Single: Gravimetric w/ICP Confirmation
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Matrix Modifier for GFAAS in 1% HNO3 5% Ni(NO3)2 Matrix Modifier for GFAAS in 1% HNO3 5% Ni(NO3)2
SKU: MM-9032

Matrix Modifier for GFAAS in 1% HNO3 5% Ni(NO3)2

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  • Brand HPS
  • Matrix 1% HNO3
  • Certification Single: Gravimetric w/ICP Confirmation
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1% Ni(NO3)2 Matrix Modifier for GFAAS in 1% HNO3 1% Ni(NO3)2 Matrix Modifier for GFAAS in 1% HNO3
SKU: MM-9031

1% Ni(NO3)2 Matrix Modifier for GFAAS in 1% HNO3

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  • Brand HPS
  • Matrix 1% HNO3
  • Certification Single: Gravimetric w/ICP Confirmation
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5% Mg(NO3)2 Matrix Modifier for GFAAS in 1% HNO3 (250 mL) 5% Mg(NO3)2 Matrix Modifier for GFAAS in 1% HNO3 (250 mL)
SKU: MM-9012

5% Mg(NO3)2 Matrix Modifier for GFAAS in 1% HNO3 (250 mL)

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  • Brand HPS
  • Matrix 1% HNO3
  • Certification Single: Gravimetric w/ICP Confirmation
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1% Mg(NO3)2 Matrix Modifier for GFAAS in 1% HNO3 (250 mL) 1% Mg(NO3)2 Matrix Modifier for GFAAS in 1% HNO3 (250 mL)
SKU: MM-9011

1% Mg(NO3)2 Matrix Modifier for GFAAS in 1% HNO3 (250 mL)

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  • Brand HPS
  • Matrix 1% HNO3
  • Certification Single: Gravimetric w/ICP Confirmation
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20% NH4H2PO4 Matrix Modifier for GFAAS in 0.05% HNO3 20% NH4H2PO4 Matrix Modifier for GFAAS in 0.05% HNO3
SKU: MM-9004

20% NH4H2PO4 Matrix Modifier for GFAAS in 0.05% HNO3

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  • Brand HPS
  • Matrix 0.05% HNO3
  • Certification Single: Gravimetric w/ICP Confirmation
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Matrix Modifier for GFAAS in 0.05% HNO3 10% NH4H2PO4 Matrix Modifier for GFAAS in 0.05% HNO3 10% NH4H2PO4
SKU: MM-9003

Matrix Modifier for GFAAS in 0.05% HNO3 10% NH4H2PO4

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  • Brand HPS
  • Matrix 0.5% HNO3
  • Certification Single: Gravimetric w/ICP Confirmation
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1% NH4H2PO4 Matrix Modifier for GFAAS in 0.05% HNO3 1% NH4H2PO4 Matrix Modifier for GFAAS in 0.05% HNO3
SKU: MM-9002-1

1% NH4H2PO4 Matrix Modifier for GFAAS in 0.05% HNO3

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  • Brand HPS
  • Matrix 0.05% HNO3
  • Certification Single: Gravimetric w/ICP Confirmation
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Assurance® Mixed Calibration Standard 5A for AA & ICP (500 mL) Assurance® Mixed Calibration Standard 5A for AA & ICP (500 mL)
SKU: MIXSTD5A-500

Assurance® Mixed Calibration Standard 5A for AA & ICP (500 mL)

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  • Brand Spex
  • Matrix 5% HNO3
  • Concentration 10 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
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Assurance® Mixed Calibration Standard 5A for AA & ICP (125 mL) Assurance® Mixed Calibration Standard 5A for AA & ICP (125 mL)
SKU: MIXSTD5A-100

Assurance® Mixed Calibration Standard 5A for AA & ICP (125 mL)

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  • Brand Spex
  • Matrix 5% HNO3
  • Concentration 10 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
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