Instrument: Isotope-ratio Mass Spectrometer

Instrument Short Name: IR Mass Spec; IRMS
(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 Scientific Delta V Advantage IRMS
Dataset-specific description

The delta 15N of particulate nitrogen (PN) was analyzed using a Costech Instruments elemental combustion system (model 4010) coupled to a Thermo Scientific Delta V Advantage IRMS.