Equipment

Equipment available in Essen

Film- and membrane preparation

Surface modification

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

General Analytics

Ion Chromatography (Metrohm 883 Basic IC plus with Metrohm 863 compact autosampler)
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)
Laboratory membrane plant (NF/RO) CUBE 80-2 VA (Sima-tec)
Separation curve (cutoff) via Ultrafiltration
Pervaporation, gas separation
Transmembrane streaming potential
Membrane conductivity

Film and Membrane Preparation

Motorized automatic film applicator, with heated vacuum bed, build-in vacuum pump, Model AB3400 (TQC)
FreezeDryer Alpha 1-2 (Christ)
Centrifuge Hettich Universal 320 (Hettich Lab Technology)

Surface Modification

Dispersion Preparation and Characterization

General Analytics