Sulfur Trapping at lowPPB levels using theSRI
8610CGasChromatograph
TheSRI 8610CGC is shown at
right. Note the software controlled
vacuum pump, tedlar bag andH2S
sample cylinder.
A60meterMXT1metal capillary
column is located in the column
oven. The columnhas a5micron
film thicknesswhich is necessary
to separate theAir andMethane
peaks from theH2S peak. The
FPD detector is located to the right
of the column oven.
AValco 10 port gas sampling valve
( GSV ) is located in the valve
oven. Note that all of the tubes
which are in the sample path are
1/16” Teflonwith .030”id. Also
note that theMXT1 column is con-
nected directly to port 9 of the
GSV.
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FPD detector
with sulfur filter
( blue )
