ASTM 3612/TOGA/DissolvedGasGC
RevisedOctober 2013
The chromato-
gram at right
show the results
for a 20ml water
standardwhich
was saturated
with a 1% calgas
inNitrogen. The
volume% con-
centrations in
thewater would
have been:
Hydrogen 192ppm
Oxygen
64.5ppmv
Nitrogen 1539ppmv Since thiswas the 94% balance in the calgas
CO
33.6ppmv
Methane 34.5ppmv
CO2
14,500ppmv
Had they been present in the calgas, theC2swould have been:
Ethylene 128ppmv
Acetylene 108ppmv
Ethane
49.6ppmv
TCD signal
FID signal
