Instrument: Isotope-ratio Mass Spectrometer
The Isotope-ratio Mass Spectrometer is a particular type of mass spectrometer used to measure the relative abundance of isotopes in a given sample (e.g. VG Prism II Isotope Ratio Mass-Spectrometer).
Concentrations of Al, P, V, Mn, Fe, Co, Ni, Cu, Zn, Cd, Ba, Ce, La and Pb in the labile phase were determined by analysis of the leachate on a Thermo Scientific Element XR ICP-MS. Fe concentration and d56Fe were also measured by Thermo Neptune multi-collector ICP-MS.