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SGS global laboratories offer a broad range of unrivaled analytical services to the fertilizer industry, including testing on urea ammonium nitrate (UAN) solutions.


We provide accurate, cost effective analytical services performed in accordance with international standards to help you determine the quality of your product or cargo.

SGS performs the following tests on UAN solutions in our global network of fertilizer laboratories:

  • Total Fraction of Total Mass of Nitrogen
  • Mass Ratio - Urea/Ammonium Nitrate
  • Alkalinity
  • Viscosity
  • Fraction of Total Mass of Inhibitor (P2O5)
  • Solidification
  • Freezing Point
  • Total Nitrogen analysis
  • Nitrate Nitrogen analysis
  • Specific Gravity
  • Nitrogen from UREA analysis

SGS’s laboratory analyses are performed in accordance with the Association of Fertilizer & Phosphate Chemists (AFPC), the Association of Analytical Chemists (AOAC), The Fertilizer Institute (TFI), ISO, CEN and/or other international or national methods as prescribed by your own corporate guidelines. SGS has an intensive, ongoing program to monitor quality in all our labs. Dozens of our labs carry internationally and industry recognized certifications and/or accreditations. Scopes vary among laboratories.