Laboratory for Sediment and Soil Analysis (SEDILAB) HUN-REN Research Centre for Astronomy and Earth Sciences, Geographical Institute


Chemical and physical parameters

  • pH and EC of soils and sediments
  • TOC, TN and NPOC content of liquids byTOC-L IR analyser
  • C, H, N, S elemental analysis of solids phase materials by elemental analyser (Dumas method with TCD detector)
  • Humusz content by wet oxidation method
  • Cation Exchange Capacity (Na+, K+, Ca2+, Mg2+, Al3+) and Base Saturation
  • AL-P (ammonium-lactate soluble P2O5) by UV-ViS spectrophotometer
  • AL-K (ammonium-lactate soluble K+) by flame-photometer
  • NO3-/N és NH4+/N content of soils by UV-ViS spectrophotometer
  • Particle sizing of unconsolidated materials by laser diffraction particle sizer (air dispersion, water dispersion)
  • Various physical parameters (specific density, bulk density, porosity, Munsell-colour)

Special measurements

  • Extraction of humic substances from soils and coals
  • Molecular size and molecular mass by photoncorrelation spectroscopy (DLS, SLS)
  • Zeta potential by photoncorrelation spectroscopy (ESL)
  • TCharacterisation of Soil Organic Matter by UV-Vis spectroscopy and specktrofluorometry
  • Size Exclusion Chromatography of water soluble organics (HPSEC)
  • UPLC and HPLC characterisation of organics by diode array, fluorescent and refraction index detectors
  • Measurements with Raman-spectromicroscope