Universität Duisburg-Essen

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Faculty of Chemistry
Technical Chemistry II - Prof. Dr. Mathias Ulbricht


Facilities of the group



      Chemical Synthesis


       Film- and membrane preparation
  • Film casting COATMASTER (Erichsen)
  • Membrane formation (Batch - LabScale)
  • SpinCoater (L.O.T. Oriel)
  • FreezeDryer Alpha 1-4 (Christ)
      Surface modification
  • Various UV irradiation systems, incl. photolithographic exposure (e.g.:Hoenle, L.O.T. Oriel)
      General Analytics
  • Semi-Micro-/HPLC system with autosampler, UV-Vis diode-array and RI detector (Dionex)
  • Size Exclusion Chromatography (SEC) - Polymer Analysis
  • FPLC system Äkta Purifier (Amersham Pharmacia)
  • GC system GC-2010 (Shimadzu)
  • Aminoacid analyzer - HPLC & fluoreszence detection (A.Semrau Analysentechnik)
  • Fluorescence spectrophotometer with MTP reader Cary Eclipse (Varian)
  • UV-Vis spectrophotometer Cary (Varian)
  • UV-Vis microplate reader µQuant (BioTek Instruments)
  • Porometer (gasadsorption /-desorption) SA 3100 (Beckman-Coulter)
  • Rheometer Physica MCR301 for oscillation and rotation mode, for measurements from -40 to 240ºC (Anton Paar)
  • Sorption microbalance (Sartorius)
  • TOC-System TOC-V CPN (Shimadzu)
  • Zetasizer (Particle Size, Zetapotential and Molar Mass) 3000 HS (Malvern)
      Surface Analytics
  • Electrokinetic Analyzer SurPASS (Anton Paar)
  • Contact angle system OCA15 (Dataphysics)
  • Surface plasmon resonance (SPR) biosensor system IBIS I (Ibis Technology - Xantec)
  • Quartz crystal microbalance (QCM) system LiquiLab 21 (ifak Magdeburg)
  • Tangential streaming potential / Zetapotential
      Membrane characterization
  • Permporometer (gas- and liquid permeation, liquid displacement) CFP-34RTG8A-X-6-LA (PMI)
  • Pressure driven filtration – various setups with stirred cells (Amicon) and crossflow cells for flat-sheet membranes: microfiltration, ultrafiltration, nanofiltration, reverse osmosis
  • Laboratory Membrane Plant (Ultrafiltration) LSta05 (Sima-tec)
  • Separation curve (cutoff) analysis via ultrafiltration
  • Sieving curve analysis via Size Exclusion Chromatography (SEC)
  • Pervaporation, gas separation
  • Diffusion cells
  • Transmembrane streaming potential
  • Membrane conductivity

Last Update: March 22, 2012 - © Technical Chemistry II - University of Duisburg-Essen - Contact: Webmaster TC