Instrumentation

Mineralogical analysis:

• 2 x ⁵⁷Fe Mössbauer spectrometers (WissEL)
  • Temperature range 4.2–295 K (Closed-cycle exchange gas cryostat)
  • 1 cm² beam area, transmission geometry
• BET (Micromeritics ASAP 2000)
• Zetasizer (Malvern Nano ZSP)
• Mastersizer (Malvern)
• High pressure and temperature autoclave (SITEC)

Microscopy:

• Scanning Electron Microscopy (SEM), (LEO 1450VP)
• Epifluorescence microscope (Leica DM 5500)

Microelectrodes:

• Fe, O₂, E_h (Unisense)

Microbiology and molecular biology:

• Anoxic Chemostat, 1 L (New Brunswick)
• Flow cytometer (Attune NxT)
• Ultracentrifuge
• qPCR
• Stable isotope probing

Geochemistry:

• FIA (ions: NO₂^-, NO₃^-, PO₄^3-, NH₄⁺, silicate)
• HPLC (fatty acids)