Lab for Stable Isotopes (Sediments)

1. DELTAplusXL (continuous flow isotope ratio mass spectrometer, ThermoFisher Scientific)


  1. CarloErba Elementar Analysator NC2500 (EA)
  2. Gasbench II
  3. TC/EA
  4. Crusher


  • δ13Corg determination (after HCL treatment)
  • δ15N, N and δ13C, C in organic material
  • δ15N(total) and N(total) in sedimentary material
  • δ15N(fix) and N(fix) in silicates (after ammonium separation)
  • δ13C and δ18O in carbonates
  • δ15N and δ13C in gas inclusions

2. MAT 253 IRMS and Carbonate Kiel IV device (ThermoFisher Scientific)


  • δ13C and δ18O in carbonate samples (10 to 100 µg) with highest precision (Stabw. <0.06 ‰)
  • δ13C, δ18O, δ15N in pure gases


Profile photo of  Dr. Birgit Plessen

Dr. Birgit Plessen
Climate Dynamics and Landscape Evolution

Building C, room 327
14473 Potsdam
tel. +49 331 288-1482