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