Instrument: Isotope-ratio Mass Spectrometer

Dataset: 
Clear Lake 800-yr reconstruction
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: Finnigan Delta V Plus Isotope Ratio Mass Spectrometer (irMS)
Dataset-specific description

Hydrogen isotope determinations were made using a Finnigan Delta V Plus Isotope Ratio Mass Spectrometer (irMS) coupled to a Thermo Trace GC Ultra with a Varian VF-17ms FactorFour capillary column (60 m x 0.32 mm x 0.25 m) and a pyrolysis reactor.