SRI 8610CGasChromatograph
MultipleGas #3GC configuration
TheMG#3GC configuration is also use-
ful with other column combinations. In
this example, Column 1 is a 3’ HaysepD
andColumn 2 is a 6’ MS13X. The sam-
ple is first run on the 3’ HaysepD using
the event table shown at right. Because
the valve is rotated back to the Load po-
sition almost immediately after injection
( .1minutes ) the separation occurs as if
Column2was not even connected. ( no
hardware changes are required to pro-
duce this effect ). There is a convenient
gap betweenMethane andCO2where it
wouldmake sense to activate the stop-
flow solenoid valve to immobilize the
CO2 and heavier peaks inColumn1
while theH2, O2, N2, Methane andCO
peaks elute fromColumn2.
MultiGas#3
Instructions
Page4
HayD
col 1
Col 2
13X
Solenoid on at .9
minutes
Thiswouldbeagood time ( .9minutes ) toacti-
vate the stop-flow solenoid. Just after theMethane
migrates ontoColumn2but before theCO2and
heavier peaks
Solenoid
off
TCDdetector
Oven temperature 40C for 10minutes then
20C/min to 200C
HayD
col 1
Col 2
13X
