Laboratory analysis

AFYREN® proposes organic substrates physico-chemical characterization (wastes or effluents) and their splitting.

These steps are mandatory to get a better understanding of their fate in the valorization and depolluting processes.

AFYREN® uses several protocols to characterize wastes and organic effluents:

  • Volatil fatty acids (C2-C6)
  • Ammonium
  • Total Nitrogen
  • Kjeldahl Total Nitrogen(NTK)
  • Inorganic Carbon (CI)
  • Organic Dissolved Carbon (ODC)
  • Total Organic Carbon (TOC)
  • Nitrites
  • Nitrates
  • Sulfates
  • Biological Oxygen Demand to 5days (BOD5)
  • Chemical Oxygen Demand (COD)
  • Organic Matter Splitting (Van Soest)
  • Raw cellulosis fibers (Weende)
  • Total Carbohydrates
  • Alcohols (Ethanol, Butanol….)
  • Carbohydrates (Glucose, Fructose, Saccharose…)
  • Redox Potential
  • pH
  • Suspended matter – Volatil suspended matter
  • Dry Matter – Volatil Matter (DM– VM)
  • Total Phosphore
  • Total Potassium (K+)
  • Soluble Protein Fraction (Lowry)
  • Particles Protein Fraction (Lowry)
  • Biogas composition (H2, CO2, CH4, N2, O2…)

AFYREN® proposes biological sample characterization by molecular biology approaches. 

  • DNA, ARN extractions….
  • PCR
  • Fingerprinting (TGGE, SSCP…)
  • Clonage, sequencing
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