Analytical Services of the Isotope Geology Department

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    Carbonate isotope analyses (δ13C and δ18O)
  • Thermo Kiel IV coupled to Finnigan DeltaPlus gas mass spectrometer
  • 50-80 µg carbonate, finely ground
  • Please contact Prof. Andreas Pack for requesting machine time
  • Orders can be submitted online here (you will receive a username and password from Prof. A. Pack)
  • Please contact Dennis Kohl for questions regarding analytical procedures and scheduling
  • For technical questions please contact Axel Dierschke
  • Costs for scientific projects: 10 € plus 20% programme overhead
  • Commercial analyses cost: 55 € plus 20% programme overhead
  • Detailed instruction manual for the Thermo Kiel IV (in German)
  • Quick guide for performing measurements
  • The instrument may only be operated after induction by experienced personnel


    Silicate and oxide isotope analysis (δ17O, δ18O, continuous flow)
  • CO2 laser fluorination (F2) coupled to Thermo MAT253 gas mass spectrometer
  • 0.05-1 mg silicate or oxide
  • Please contact Prof. Andreas Pack for requesting machine time
  • Please contact Reinhold Przybilla for questions regarding technology, analytical prcedures and scheduling
  • Costs for scientific projects: 40 € plus 20% programme overhead (per analysis)
  • Costs for commercial clients: 110 € plus 20% programme overhead (per analysis)
  • The instrument may only be operated after induction by experienced personnel


    Silicate and oxide isotope analysis (δ29Si, δ30Si, high-precision Δ30Si)
  • CO2 laser fluorination (F2 or BrF5) coupled to Thermo MAT253 gas mass spectrometer (dual inlet mode, 120 minutes)
  • Gas chromatographic purification of the sample gas (Hewlett Packard 5890 gas chromatograph)
  • 2-3 mg silicate or oxide
  • Please contact Prof. Andreas Pack for requesting machine time
  • Please contact Reinhold Przybilla for questions regarding technology, analytical prcedures and scheduling
  • Costs for scientific projects: 80 € plus 20% programme overhead (per analysis)
  • Costs for commercial clients: 220 € plus 20% programme overhead (per analysis)
  • The instrument may only be operated after induction by experienced personnel


    Silicate isotope analysis (δ29Si, δ30Si, high-precision Δ30Si)
  • CO2 laser fluorination (F2 or BrF5) coupled to Thermo MAT253 gas mass spectrometer (analysis by SiF3, dual inlet mode, 120 minutes)
  • 2-3 mg Silicate
  • Please contact Prof. Andreas Pack for requesting machine time
  • Please contact Reinhold Przybilla for questions regarding technology, analytical prcedures and scheduling
  • Costs for scientific projects: 80 € plus 20% program-overhead (per analysis)
  • Costs for commercial clients: 220 € plus 20% program-overhead (per analysis)
  • Combined O and Si isotope analyses on request
  • The instrument may only be operated after induction by experienced personnel


    in-situ silicate and oxide isotope analysis (δ17O, δ18O)
  • UV laser fluorination coupled to Thermo MAT253 gas mass spectrometer
  • Approx. 250 um spot diameter
  • Please contact Prof. Andreas Pack for requesting machine time
  • Please contact Reinhold Przybilla for questions regarding technology, analytical prcedures and scheduling
  • Costs for scientific projects: 400 € plus 20% programme overhead (per measuring day)
  • Costs for commercial clients: 1200 € plus 20% programme overhead (per measuring day)
  • The instrument may only be operated after induction by experienced personnel


    Scanning electron microscopy
  • Leo 1455 VP scanning electron microscope
  • BSE & SE pictures
  • EDS analyses and element distribution images
  • Please contact Dr. Tommaso Di Rocco for questions regarding technology, analytical procedures and scheduling
  • Costs for scientific projects: 50 € plus 20% programme overhead (per measuring day)
  • Costs for commercial clients: 600 € plus 20% programme overhead (per measuring day)


    High temperature gas mixing furnace
  • Gero HTRV furnace, 60 mm opening, Tmax = 1700°C
  • Use only on request and following induction into the system
  • Responsible for the operation Dr. Tommaso Di Rocco
  • Operating instructions for the furnace
  • Operating instructions for the Eurotherm controller


    Major element composition of silicate samples
  • PANalytical AXIOS-Advanced X-ray fluorescence spectrometer
  • 5 g of finely-ground (< 100 μm) rock powder
  • Preparation of fused tetraborate glass discs
  • Standard element spectrum
  • Please contact Prof. Matthias Willbold for any enquiries


    87Sr/86Sr and 143Nd/144Nd isotopic composition
  • ThermoFisher Scientific Neptune Plus
  • 10 to 100 mg of finely-ground (< 100 μm) rock powder depending on sample
  • Other matrices on request
  • Please contact Prof. Matthias Willbold for any enquiries


    147Sm/144Nd and 87Rb/87Sr age determination
  • ThermoFisher Scientific Neptune Plus and ThermoFisher Scientific Element2
  • 10 to 100 mg of finely-ground (< 100 μm) rock powder depending on sample
  • Other matrices on request
  • Please contact Prof. Matthias Willbold for any enquiries


    Trace element analysis by ICPMS (geological samples)
  • ThermoFisher Scientific iCAP-Q or Element2
  • Standard element spectrum
  • 10 to 100 mg of finely-ground (< 100 μm) rock powder depending on sample
  • Other matrices on request
  • Please contact Prof. Matthias Willbold for any enquiries


    Trace element analysis by LA-ICPMS (silicate and carbonate samples)
  • ThermoFisher Scientific iCAP-Q or Element2 and Resonetics Resolution M50
  • Standard element spectrum
  • Suitable sample preparation required (polished sections, grain mounts, etc.)
  • Other matrices on request
  • Please contact Prof. Matthias Willbold for any enquiries


    Isotope analysis by MC-ICPMS and TIMS (silicate and carbonate samples)
  • ThermoFisher Scientific Neptune Plus, Triton or MAT 262
  • Radiogenic and non-radiogenic isotope systems commonly used in isotope geochemistry
  • Other matrices and isotope systems on request
  • On collaboration basis only
  • Please contact Prof. Matthias Willbold for any enquiries


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