8
PreconfiguredGCSystems
MultipleGasAnalyzer #2GCSystem
TheMultipleGas Analyzer #2GC (MG#2) system is preplumbed and ready to resolveH
2
, O
2
, N
2
, methane,
CO, ethane, CO
2
, ethylene, acetylene, NOx, water, alcohols, propane, butanes, pentanes, and C
6
+. The
MG#2 is similarmto theMG#1, except that theMG#2 canmeasurewater and
alcohol in addition to themultiple gas compounds.
Separates awide varietyof peaks ina single injection,
includingwater
Very tolerant of user adjustments and timing variations
Simpler thanothermultiplegas capable systems
Thebasicmodel includes:
• TCDDetector
• Methanizer, FID, andHIDoptions
• 10-port GasSamplingValveandDual Loops
• TwoColumns -MoleSieve 13X&Hayesep-D
• 1, 4, or 6channel PeakSimpleDataSystem
...on thecompact 8610Cchassis
To separate suchawide varietyof peakswithout co-elution, theMG#2 turnson thecarrier gas low toeach
columnat different timesduring the run. Thisallows theMolecularSievecolumn tocomplete theseparation
of H
2
,O
2
, N
2
, CH
4
andCO, atwhichpoint theMoleSievecarrier low is turnedoff and theHayesep-Dcarrier
low is turned on. The Hayesep-D column then separates all compounds in the C
1
through C
6
range. A
capillary column in parallel with the Hayesep-D can also be useful in separating the hydrocarbons out
through C
20
. Detectors can be TCD, HID, FID or any combination, depending on the exact needs of the
analysis.
This chromatogram shows the separation
of a 1%Gas Standard sample on aMG#2
GCequippedwithaTCDdetector. Theirst
5 peaks came off the MoleSieve column,
and the following 3 peaks came off the
Hayesep-Dcolumn. Note that themethane
elutes twice, once from each column.
Molecular Sieve 13x column
Hayesep-D column
