Instrument: Gas Chromatograph

Instrument Short Name: Gas Chromatograph
(http://vocab.nerc.ac.uk/collection/L05/current/LAB02/)
Instrument Description:

Instrument separating gases, volatile substances, or substances dissolved in a volatile solvent by transporting an inert gas through a column packed with a sorbent to a detector for assay. (from SeaDataNet, BODC)

PI supplied instrument name: Carle 211AC gas chromatograph
Dataset-specific description

CH4 is assayed by gas chromatography using the vial equilibration technique of Johnson et al. (1990) and a Carle 211AC gas chromatograph.