Technical Chemistry II - Facilities

Facilities of the group

Equipment available in Essen

Chemical Synthesis

Film- and membrane preparation

  • Membrane formation (Batch - Labor)
  • Film casting COATMASTER (Erichsen)
  • SpinCoater (L.O.T. Oriel)
  • FreezeDryer Alpha 1-4 (Christ)

Surface modification

  • Various UV irradiation systems, incl. photolithographic exposure (u.a.: Hoenle, L.O.T. Oriel)

General Analytics

  • Semi-Micro-/HPLC system with autosampler, UV-Vis diode-array and RI detector (Dionex)
  • Ion Chromatography (Metrohm 883 Basic IC plus with Metrohm 863 compact autosampler)
  • 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 240°C (Anton Paar)
  • TOC-System TOC-V CPN (Shimadzu)
  • Stabino & NANO-Flex System for analysis of charge characteristics (Zeta-potential) and size distribution of nanoparticles (180° DLS method, ParticleMetrix)

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)

Membrane Characterization

  • Capillary flow porometer 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
  • Diffusion cells
  • Laboratory membrane plant (Ultrafiltration) LSta05 (Sima-tec)
  • Separation curve (cutoff) via Ultrafiltration
  • Pervaporation, gas separation
  • Transmembrane streaming potential
  • Membrane conductivity

 

 

Equipment Available in NETZ (Duisburg)

Film and Membrane Preparation

  • Motorized automatic film applicator, with heated vacuum bed, build-in vacuum pump, Model AB3400 (TQC)
  • 1-M Spin coater (Ramgraber)
  • RDC 15 & RDC 30 Multidip dip-coaters (Bungard)
  • FreezeDryer Alpha 1-2 (Christ)
  • Centrifuge Hettich Universal 320 (Hettich Lab Technology)

Surface Modification

  • UV irradiation system, TLC CN-15 viewing cabinet (Vilber Lourmat GmbH)

Dispersion Preparation and Characterization

  • Planetary Micro Mill Pulverisette 7 premium line (Fritsch)
  • Sonoplus HD 2200 ultrasonic laboratory homogenizer (Bandelin)
  • Stabino & NANO-Flex system for analyse of charge characteristics (Zeta-potential) and size distribution of nano-particles (180° DLS method) (Microtrac Europe)

General Analytics

  • Rotation viscosimeter Fungilab Premium R
  • TOC-System TOC-L CPN (Shimatzu)
  • DM-40 density - meter (Mettler Toledo)
  • UviLine 9400 UV-Vis spectrometer (Schott Instruments)

Surface Analytics

  • Contact angle system OCA15 (Dataphysics)