Laboratory for Sediment and Soil Analysis (SEDILAB) HUN-REN Research Centre for Astronomy and Earth Sciences, Geographical Institute
SEDILAB GENERAL LABORATORY
SEDILAB as a whole is organised around this laboratory unit.
Key functions are:
- Sample arrival, cataloguing, specific storage
- Sample preparation (drying, heat treatment, tempering, etc...)
- Providing the infrastructure for laboratory experiments
- Determination of basic parameters of soil and water samples
- pH and electrical conductivity (EC)
- Phosphate, nitrate, nitrite, ammonium, Na+, K+, Ca2+, Mg2+
- Cation exchange capacity (CEC) determination
Available devices
- Shimadzu UV1240 (2013) – spectrophotometer
- Wavelength range: 190nm – 1100nm
- Number of detectors: 1
- Resolution: 1 nm
- Light source: Tungsten (Vis), Deuterium (UV)
- Photometric range: -3 to 3 Abs
- Sherwood 410i (2015) – flame-photometer
- Sensitivity: Na <0.5 ppm, K <0.5 ppm, Li 5 ppm, Ca 5 ppm, Ba 200 ppm
- Specificity: Na, K & Li interferencias <0.5% Na, K, Li, Ca, Ba koncentration
- Other devices
- Freezers and ultrafreezers
- Heating chambers
- Ovens (tmax ~3000 oC)
- Climate chambers
- Milling chambers: mechanised WC jar, bal mill, cutting mill, vibrationg mill.