Environmental Wastewater Certified Reference Materials

Supplier: SPEX CERTIPREP LLC

QCI-136 QCI-136C
NSQCI-136EA 225.96 CAD
NSQCI-136 NSQCI-136C
Environmental Wastewater Certified Reference Materials
Standards Environmental Analysis Standards

Validate analytical methods and evaluate the quality of your results with certified reference materials.


  • Manufactured from highest purity water and analytically verified source materials
  • Standards are traceable to SI through NIST test masses and/or SRMs
  • Certified stable for up to 2 years from manufacture


Accuracy, homogeneity, and performance of each lot is certified in our ISO 17025 accredited laboratory by the same methods you use.


Certifications: Manufactured and certified under ISO 17034 accreditation. Meets your ISO 17025 requirements.

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