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Greenhouse Gas GC System - SRI Instruments
Greenhouse Gas GC System
7
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ECD and FID detectors
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methanizer accessory (built-in)
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dual packed columns with precolumn
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10-port gas sampling valve and sample loop
●
internal whisper-quiet air compressor
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6 channel PeakSimple data system
...on the compact
chassis
The Greenhouse Gas GC is designed for the
detection of carbon dioxide (CO
2
), methane
(CH
4
) and nitrous oxide (N
2
O). Depending
upon the volume of the sample loop on the
gas sampling valve, it can detect trace levels
or high concentrations. It may be used for
stack or ambient air monitoring, or in a plane
for atmospheric air analysis. The
chromatogram below was generated by a
Greenhouse Gas GC with a 5mL sample loop.
The Greenhouse GC is not limited to CO
2
,
CH
4
and N
2
O. The FID-Methanizer detects
hydrocarbons as well as CO and CO
2
(as
methane). The sensitive ECD detector
responds to electronegative compounds,
especially chlorinated, fluorinated, or
brominated molecules like PCBs and
pesticides. With a low-volume sample loop,
the Greenhouse GC can be used to measure
gases produced by bacterial metabolic
processes and life cycles.
The Greenhouse Gas GC uses a 10-
port gas sampling valve plumbed with
precolumn backflush.