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Environmental Wastewater Standards

Environmental Certified Reference Materials and Proficiency Test Standards

Our wastewater standards enhance your testing accuracy and efficiency. Regular use of our certified reference materials (CRMs) and proficiency test (PT) standards ensures high data quality and supports accreditation needs.

We specialize in ISO-accredited CRMs and effluent standards that are stable and integrate seamlessly into routine workflows. Pre-measured, single-use materials help prevent errors and simplify processes. For example, try our GGA Concentrate Snips™: just snip and pour into a 300 mL BOD bottle—no measurements or contamination. Our versatile, multiparameter CRMs streamline testing procedures, reducing the need for multiple CRMs in your lab. Watch the demonstration video to learn more!

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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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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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Assurance® Mixed Calibration Standard 5 for AA & ICP (500 mL) Assurance® Mixed Calibration Standard 5 for AA & ICP (500 mL)
SKU: MIXSTD5-500

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

  • CCL
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  • Brand Spex
  • Certification Single: Direct ICP Analysis
  • Concentration 1,000 µg/mL
  • Matrix 5% HNO3/tr. Tartaric Acid/tr. HF
  • Raw Material Five 9s & Purification as available
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Assurance® Mixed Calibration Standard 5 for AA & ICP (125 mL) Assurance® Mixed Calibration Standard 5 for AA & ICP (125 mL)
SKU: MIXSTD5-100

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

  • CCL
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  • Brand Spex
  • Matrix 5% HNO3/tr. Tartaric Acid/tr. HF
  • Concentration 1,000 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
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  • KIT
Assurance® Mixed Calibration Standard 4A with Mercury for AA & ICP (500 mL) Assurance® Mixed Calibration Standard 4A with Mercury for AA & ICP (500 mL)
SKU: MIXSTD4A-500

Assurance® Mixed Calibration Standard 4A with Mercury for AA & ICP (500 mL)

  • CCL
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  • Brand Spex
  • Matrix 5% HNO3/tr. HF
  • Concentration 40 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
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