Instrument: Mass Spectrometer

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

General term for instruments used to measure the mass-to-charge ratio of ions; generally used to find the composition of a sample by generating a mass spectrum representing the masses of sample components.

PI supplied instrument name: Finnigan MAT 252 mass spectrometer
Dataset-specific description

Others are chromatographed to separate O2 and Ar from N2, followed by analysis of O2/Ar and the triple isotope composition of O2 using a Finnigan MAT 252 mass spectrometer.