Instrument: Isotope-ratio Mass Spectrometer

Instrument Short Name: IR Mass Spec
(http://vocab.nerc.ac.uk/collection/L05/current/LAB16/)
Instrument Description:

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).

PI supplied instrument name: Isotope-ratio Mass Spectrometer
Dataset-specific description

The stable isotopic composition of methane and DIC was determined by GC/C/IRMS using a Hewlett Packard 5890 GC coupled to a Finnegan Mat 252 Isotope Ratio Mass Spectrometer (Hewlett Packard, Wilmington, DE, USA).