Our institute has the following nominal structure which reflects our principle areas of research and teaching:

 

Prof. Dr. W. Shotyk

Prof. Dr. H.F.Schöler

Prof. Dr. M. Isenbeck-Schröter   Dr. Bernd Kober
Prof. Dr. Dr. h.c. mult. G. Müller 

 

 

 

In practice, our daily research activities are managed informally, in the following laboratory units:

 

Prof. Dr. W. Shotyk

Prof. Dr. Dr. h.c. mult. G. Müller

Dr. Alfred Yahya

Dr. Bernd Kober

Prof. Dr. M. Isenbeck-Schröter

Prof. Dr. H.F.Schöler

HD Dr. Harald Biester

Dr. Heike Kempter

Dr. Michael Krachler Dr. Andriy Cheburkin

 

 

OVERVIEW OF ANALYTICAL FACILITIES


The following sophisticated analytical infrastructure is available at the Institute of Environmental Geochemistry:
 

Inorganic Environmental Geochemistry (Major and Trace Elements)

Sample Preparation and Digestion

 Sample preparation laboratory, class 10.000
 Laminar flow benches, clean-air cabinets, class 100
 High-purity water system (Milli-Q Academic, Millipore)
 Ultrapure water system for trace analysis (Milli-Q Element, Millipore)
 Sub-boiling distillation system (duoPUR, MLS)
 Microwave muffle oven (MLS-1200 PYRO Microwave Ashing System, MLS)
 Microwave-assisted acid digestion (Ethos PLUS Microwave Labstation System, MLS)
 High-pressure autoclave (ultraCLAVE II Microwave Autoclave, MLS)
 Electronic moisture analyzer (MA 100, Sartorius)


Direct elemental analysis of solid samples

 Carbon - sulphur analyzer (SC 144, Leco)
 X-ray fluorescence spectrometers (microEMMA for individual particles, mineral grains; macroEMMA for bulk samples: Ti to U; OLIVIA with high sensitivity for single element analyses; NASTIA for Ti - all home-made by Dr. A. Cheburkin)
 Raster electron microscope, REM (type 440, Leo) plus EDX system (LINK-ISIS, Oxford Instruments)
 Direct mercury analyzer (AMA 254, Leco)

 

Elemental analysis of solid samples using acid digestion

 Electrothermal atomic absorption spectrometer, ET-AAS (AAS 5 EA, Analytik Jena)
 Flame atomic absorption spectrometer, FAAS (AAS 6 FL, Analytik Jena)
 Cold vapour atomic absorption spectrometer, CV-AAS (Thermo-Quest)
 Hydride generation and flow injection systems (Analytik Jena; FIAS 200, Perkin Elmer)
 Sector field-inductively coupled plasma-mass spectrometer, SF-ICP-MS (Element2, Thermo Finnigan)
 Inductively coupled plasma-optical emission spectrometer, ICP-OES (VISTA MPX, Varian)
 2 Ion chromatographs (DX 120, DIONEX)
 Total organic carbon analyzer (TOC 5050, Shimadzu)
 UV-VIS photometer (Milton Roy)

 

Isotope Geochemistry

 Thermal ionization mass spectrometer, TIMS (MAT 261, Thermo Finnigan)
 Ultralow background gamma ray spectrometry (Canberra)

 

 

Organic Environmental Geochemistry

 Gas chromatography - mass spectrometer, GC-MS (Saturn, Varian; Magnum Finnigan MAT)
 GC-MS-MS (Saturn 2000, Varian) + Tekmar Purge and Trap
 Gas chromatography - electron capture detection, GC-ECD (GC 8000, Fisons Instruments)
 High performance liquid chromatography (HPLC, Kontron Instruments), autosampler, UV-VIS detector
 UV-VIS photometer (Dr. Lange)
 AOX instrument (Euroglas)