Instrument: Isotope-ratio Mass Spectrometer

Dataset: 
Porewater Composition
Instrument: 
Isotope-ratio Mass Spectrometer
Instrument Short Name: IR Mass Spec; IRMS
Community Standard Description
(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: Thermo Delta V Plus isotope ratio mass spectrometer
Dataset-specific description

The δ13C and δ2H of methane were analyzed at the University of California, Davis on a Thermo Scientific GasBench-Precon interfaced to a Thermo Delta V Plus isotope ratio mass spectrometer.