NSI Lab Solutions Environmental Wastewater Certified Reference Materials

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
  • Manufactured and certified under ISO 17034 accreditation
  • Meets your ISO 17025 requirements
Accuracy, homogeneity, and performance of each lot is certified in our ISO 17025 accredited laboratory by the same methods you use.
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9 variations of this product are available.

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9 PRODUCT OPTIONS
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Orthophosphate-P QC CRM 1/EA 21
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Hardness QC CRM 1/EA 250
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Hardness QC CRM 4/PK 250
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Turbidity QC CRM 1/EA 500
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Turbidity QC CRM 4/PK 500
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Simple Nutrients QC CRM 1/EA 500
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Complex Nutrients QC CRM 1/EA 500
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Minerals QC CRM 1/EA 500
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Minerals QC CRM 4/PK 500
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