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Organic Materials Chemistry - Service and Equipment

We are able to perform custom synthesis and we are prepared to solve even demanding analytical tasks. Table 1 summarizes the experimental techniques available in the department.

Please do not hesitate to contact Prof. Dr. Uwe Beginn or apl. Prof. Dr. Helmut Rosemeyer and challenge us with your task.

Measurement Service available in the Department Organic Materials Chemsitry (OMC)

Measurement Type Devices Obtainable Information Contact Person
NMR-Spectroscopy Bruker DPX-250 MHz NMR-Spektrometer Bruker AMX-500 MHz NMR-Spektrometer (mit MAS-Einheit) Structural Analyses, Composition of Mixtures, Composition of Polymers Uwe Beginn, Helmut Rosemeyer
FT-IR Perkin Elmer Spectum Two, UTAR Vibrations spectra of molecules Uwe Beginn
UV/Vis-Spectroscopy Cary 1E UV/Vis-Spectrometer, with Thermo-Unit Spectra of colored substances: Absorption wavelength, Absorption intensity Uwe Beginn, Helmut Rosemeyer
Circular dichroism Jasco J600 Conformational analyses of optical active (bio)materials Uwe Beginn, Helmut Rosemeyer
Fluorescence spectroscopy Hitachi F4500 Fluorescence Spectrometer UV/Vis-Fluorescence measurements Uwe Beginn, Helmut Rosemeyer
Gas Chromatograph Mass Spectrometer Shimadzu GCMS-QP2010SE Identification of compounds, mass range: m/z 1.5-1000, oven temperature: up to 450°C Uwe Beginn
SEC-MALLS Waters Aliance 26-95 GPC-Unit with Autosampler, Wyatt Optilab-REX (Differential Refractometer), Wyatt Dawn Heleos (18 Angle Light Scattering Detector) Scattering Detector, absolute Molecular Weight of Polymers, Molecular Weight Distributions (Polymer must be soluble in THF) Uwe Beginn
HPLC-Systems Merck/Hitachi HPLC Pump, Controllers and UV/Vis Detectors Analytical separations in Water, Methanol or Acetonitrile as mobile phase Uwe Beginn, Helmut Rosemeyer
Polarization Microscopy, Dark-Field-, Phase Contrast Microscopy, Thermo-Optical Analysis Zeiss Axio Imager Zeiss Electronic Camera Mettler FP 82 hot stage Phase transition temperatures (melting, LC-LC-, Isotropization) Textures, Proof of mechanical Tensions via Birefringance Uwe Beginn
Differential Scanning Calorimetry Netzsch DSC 204 F1 Phoenix Transition temperatures and enthalpies, glass temperature heat capacity changes Uwe Beginn
Contact Angle Measurement KRÜSS DSA 100 Contact angles, surface energy, surface lensions Uwe Beginn
Force-Controlled Vibration Rheology TA Instruments AR2000ex Frequency and temperature dependent storage, loss modulus, (complex) vis-cosy Ex Uwe Beginn