Analytical Services Provided

Nutrient Analysis

Lachat Quickchem 8500 Autoanalyzer

Available analysis:

Nitrogen

  • Nitrate/Nitrite (NO3–/NO2); By Cadmium column reduction using Sulfanilamide reagent; $4.00 per sample
  • Nitrate (NO3–); By Cadmium column reduction using Sulfanilamide reagent; $4.00 per sample
  • Nitrite (NO2–); Using Sulanilamide reagent; $3.00 per sample
  • Ammonia (NH3); Berthelot reaction; $7.00 per sample
  • Total Nitrogen (TN); UV-persulfate oxidation with cadmium column reduction using Sulfanilamide reagent; $10.00 per sample

Phosphorus

  • Orthophosphate (PO43-); Phosphomolybdate complex formed with ammonium molybdate and antimony potassium tartrate; $6.00 per sample
  • Total Phosphorus (TP); UV-Persulfate catalyzed digestion then phosphomolybdate complex formed with ammonium molybdate and antimony potassium tartrate; $10.00 per sample

Carbon

  • Shimadzu TOC 5050
  • Total Organic Carbon (TOC); Carbon and hydrogen carbonates are sparged off after acid addition, organic forms of carbon are combusted/oxidized to form CO2 and then detected with NDIR; $10.00 per sample

For additional information and to schedule sample analysis, please contact Dr. Jim Bauer at 614-688-5507 or by email at bauer.362@osu.edu.