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X-ray photo electron spectroscope - Theta Probe

Use of device

surface sensitive elemental and chemical analysis

Basic function

X-ray excited core shell electrons are detected and characterised, the energy of the electrons is typical for the element and its chemical surrounding

Result of analysis

elemental composition of the surface and chemical bonding information about the elements

Goal of analysis

detailed chemical knowledge of surfaces

Technical specification

small spot; lateral resolution: 400 µm - 15 µm; point and line scans; mapping; depth information: 5 nm - 10 nm; Ar+ sputter depth profile < 1 µm; angle resolved XPS without tilting of the sample

Sample requirement

specimen size: < 70x70x25 mm; specimens have to be vacuum resistant



Contact

Josef Brenner
DI Dr.techn. Christian Tomastik




Liquid chromatography high resolution tandem mass spectrometer - LTQ Orbitrap XL

Use of device

Lubricant analysis; small molecule analysis; chemical composition

Basic function

HPLC in combination with PDA and high resolution mass spectrometry (ESI, APCI); direct infusion for MS (ESI, APCI, AP-MALDI)

Result of analysis

composition of lubricants and additives and their changes after stress; sum formula of detected molecules, structural information, quantification

Goal of analysis

lubricant analysis; additive analyses; quality control; monitoring of changes due to specific load (chemical, thermal, mechanical)

Technical specification

sample preparation: dilution, SPE, adduct forming; sample introduction: HPLC, direct infusion; detectors: PDA, MS; ionisation methods for MS: ESI, APCI, AP-MALDI; mass resolution of MS: up to 100000; fragmentation in MS: CID, PQD, HCD

Sample requirement

to be discussed



Contact

Josef Brenner
Mag.Dr. Andjelka Ristic




Trace GC Ultra-FID-TSQ Quantum XLS

Use of device

analysis of lubricants, fuels, gas and solid samples from qualitative and quantitative point of view

Basic function

a dilute sample solution is transferred to the column directly or via auto-injector; A heating program separates the analytes by boiling point while transferring them into the inert gas stream; subsequently a suitable column separates analytes by polarity; the flow from the separation column is split and detected simultaneously via Flame Ionisation Detector (FID) and triple-quadrupole MS detector

Result of analysis

chromatogram: use of retention time (peak position) for qualitative analysis; use of peak area for quantitative analysis; mass spectrum: qualitative analysis of substances (original and aged samples) by evaluation of recorded mass spectra utilizing a mass spectral library; FID: quantitative composition

Goal of analysis

identification and quantification of sample components; monitoring of composition changes due to specific stress

Technical specification

sample introduction: pyrolysis, HS, SPME, CPI, DIP AS; injectors: SSL, PTV (enables LVI); GC oven temperature: 40 - 300 °C; cold trap within oven: down to -150 °C; detectors: FID, MS (ionization: EI, CI and TSQ enabling several operation modes)

Sample requirement

vaporizable (otherwise pyrolysis) and thermally stable; approx. 1 mL; solids possible by pyrolysis



Contact

Josef Brenner
DI Dr. Nicole Dörr
Marcella Patricia Frauscher, MSc




2D-HPLC with UV-DAD & universal "Corona" detector

Use of device

advanced analysis of complex mixtures; quantification of components and component groups; fractioning and enrichment of trace analytes

Basic function

UHPLC and NPLC; separation of analytes by polarity, hydrophilicity or size, detection via UV/Vis detector and mass sensitive universal Charged Aerosol Detector (Corona); possible coupling to high resolution MS LTQ Orbitrap XL; Fracting autosampler allows 2D-HPLC by injecting fractions into a different column or even analysis by different HPLC mode (reversed phase or normal phase); Method scouting valves allow automated column switching and solvent switching; Online SPE for automated sample enrichment or matrix removal

Result of analysis

analysis and quantification of components of highly complex mixtures (non-volatile, lipophilic, lipophobic, ionic, polymeric, etc.)

Goal of analysis

separation, composition, quantification of components of lubricants, oils, greases, pitches, residues, polymers, and environmental samples

Technical specification

ultimate 3000 dual ternary solvent pump; fraction autosampler for 2D-LC; multiple-column oven with column switching valves; UV/Vis-DAD detector; universal detector Veo Corona RS (charged aerosol detector); coupling to LTQ Orbitrap XL possible

Sample requirement

micro-g-amount; soluble in suitable solvent for reversed phase or normal phase HPLC; non-volatile for universal detector



Contact

Josef Brenner
Dr.techn. Lucia Pisarova
Mag.Dr. Andjelka Ristic




Potentiostat VersaStat 3F

Use of device

electrochemical characterisation; corrosion and tribo-corrosion investigations

Basic function

under controlled electrochemical environment experiments with relevance to tribo-corrosion are investigated with the aid of the potentiostat

Result of analysis

qualitative and quantitative evaluation of tribological behaviour of materials and surface layers in corrosive environments

Goal of analysis

simulation of tribological processes in a controlled electrochemical environment (tribocorrosion, bio-tribocorrosion)

Technical specification

capable of "floating" for operation with grounded cells/electrodes; specialized filters for float mode operation for enhanced signal /noise ratio; ±650 mA / ±10 V polarization range; impedance analysis over the frequency range 10 µHz - 1 MHz; additional bandwidth filtering options for greater stability on capacitive cells

Sample requirement

to be discussed



Contact

Josef Brenner




Cleanroom

Use of device

Closed Evironment for experiments and analyses

Basic function

Result of analysis

Goal of analysis

Technical specification

Sample requirement



Contact

Josef Brenner