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Range of analyses

ISAH offers services in the following areas:

Contact

Prof. Dr. Regina Nogueira

Tel.: 0511/762-3371
Email: nogueiraisah.uni-hannover.de

 

Chemical and physical analyses

Instrument measurements:

  • pH
  • Redox potential
  • Conductivity
  • Alkalinity and acitidy
  • Oxygen measurements
  • Dry matter
  • Total and volatile solids
  • Filtratable substances
  • Settleable substances
  • Viscosity

Cuvette tests

  • Chloride
  • Hardness incl. Ca and Mg
  • COD
  • Nitrate 
  • Nitrite
  • Ammonium
  • Sulfate 
  • Sulfid
  • Iron
  • Manganese
  • Total phosphate
  • Ortho-phosphate
  • Total nitrogen
  • Luminescent bacteria test

DIN-Analyses

  • Total Kjeldahl nitrogen (TKN)
  • COD
  • BOD5
  • Total carbon (TOC, TC, TIC)
  • Total phosphate
  • ortho-phosphate
  • Nitrate
  • Ammonium
  • Sulfate
  • Soxhlet extraktion of fats
  • Organic acids, DEV H21
  • Total iron
  • Dissolved iron
  • Manganese

Metals with AAS

  • Aqua regia digestion
  • AAS digestion of peroxides/nitric acids
  • AAS Flame

Gas chromatography

Separation and quantification of gas samples:

  • Methane
  • Carbon dioxide
  • Nitrous oxide
  • Hydrogen sulfide
  • Nitrogen
  • Oxygen
  • Hydrogen  

Identification and quantification in liguid samples:

  • Polyhydroxybutyrates PHB
  • Acetic, propanoic, butyric, isobutyric, valeric, isovaleric and caproic acids
  • Palmitic, stearic, linoleic, linolenic and oleic acids

Biological activity tests

We conduct activity tests of sludge and inhibitory/toxicity tests for wastewater and substrates under aerobic, anoxic and anaerobic conditions:

    Microscopic studies

    • Microscopy (Biocenosis, EPS)
    • Compost maturity determination
    • Fluorescence in situ Hybridization (FISH) of nitrifiers and anammox
    • Water quality analyses